SELECT 
  SQL_CALC_FOUND_ROWS products.product_id, 
  descr1.product as product, 
  companies.company as company_name, 
  companies.ec_rfq_whatsapp_number, 
  companies.ec_rfq_bht, 
  companies.ec_rfq_phone_number, 
  companies.ec_rfq_bhf, 
  products.product_type, 
  products.parent_product_id, 
  cscart_ec_table_booking_system.booking_type as booking_type 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  LEFT JOIN cscart_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_categories.storefront_id IN (0, 1) 
  LEFT JOIN cscart_ec_table_booking_system ON cscart_ec_table_booking_system.product_id = products.product_id 
WHERE 
  1 
  AND companies.status IN ('A') 
  AND products.company_id IN (
    1, 
    25, 
    34, 
    35, 
    36, 
    37, 
    38, 
    39, 
    40, 
    41, 
    42, 
    43, 
    44, 
    45, 
    46, 
    47, 
    48, 
    49, 
    50, 
    51, 
    52, 
    53, 
    54, 
    55, 
    56, 
    57, 
    58, 
    59, 
    60, 
    61, 
    62, 
    63, 
    64, 
    65, 
    66, 
    67, 
    68, 
    69, 
    70, 
    71, 
    72, 
    73, 
    74, 
    75, 
    76, 
    77, 
    78, 
    79, 
    81, 
    82, 
    83, 
    84, 
    85, 
    86, 
    87, 
    88, 
    89, 
    90, 
    91, 
    92, 
    93, 
    94, 
    95, 
    96, 
    97, 
    98, 
    99, 
    100, 
    101, 
    102, 
    103, 
    104, 
    105, 
    106, 
    108, 
    109, 
    110, 
    111, 
    122, 
    123, 
    124, 
    125, 
    126, 
    127, 
    128, 
    129, 
    130, 
    131, 
    132, 
    134, 
    135, 
    136, 
    137, 
    138, 
    139, 
    140, 
    141, 
    142, 
    143, 
    144, 
    145, 
    146, 
    148, 
    150, 
    152, 
    153, 
    154, 
    155, 
    156, 
    157, 
    158, 
    159, 
    160, 
    161, 
    162, 
    163, 
    164, 
    165, 
    166, 
    167, 
    168, 
    169, 
    170, 
    171, 
    172, 
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    174, 
    175, 
    176, 
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    178, 
    179, 
    180, 
    181, 
    182, 
    183, 
    184, 
    185, 
    186, 
    187, 
    188, 
    189, 
    190, 
    191, 
    192, 
    193, 
    194, 
    196, 
    197, 
    198, 
    199, 
    200, 
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    203, 
    204, 
    205, 
    206, 
    207, 
    208, 
    210, 
    211, 
    212, 
    213, 
    214, 
    215, 
    216, 
    217, 
    218, 
    219, 
    220, 
    221, 
    222, 
    223, 
    224, 
    225, 
    226, 
    227, 
    228, 
    229, 
    230, 
    231, 
    232, 
    233, 
    234, 
    235, 
    236, 
    237, 
    238, 
    239, 
    240, 
    241, 
    242, 
    243, 
    244, 
    245, 
    246, 
    247, 
    248, 
    249, 
    250, 
    251, 
    252, 
    253, 
    254, 
    255, 
    256, 
    257, 
    259, 
    260, 
    261, 
    262, 
    263, 
    264, 
    266, 
    268, 
    269, 
    271, 
    272, 
    273, 
    276, 
    277, 
    278, 
    279, 
    280, 
    281, 
    282, 
    284, 
    285, 
    286, 
    287, 
    288, 
    289, 
    290, 
    291, 
    292, 
    293, 
    294, 
    295, 
    296, 
    297, 
    298, 
    299, 
    300, 
    301, 
    302, 
    303, 
    304, 
    305, 
    306, 
    307, 
    308, 
    309, 
    310, 
    311, 
    312, 
    313, 
    314, 
    315, 
    316, 
    317, 
    318, 
    319, 
    321, 
    322, 
    323, 
    324, 
    325, 
    326, 
    327, 
    328, 
    329, 
    330, 
    331, 
    332, 
    333, 
    334, 
    335, 
    336, 
    337, 
    338, 
    339, 
    340, 
    341, 
    342, 
    343, 
    344, 
    345, 
    346, 
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    348, 
    349, 
    350, 
    351, 
    352, 
    353, 
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    356, 
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    361, 
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    364, 
    365, 
    366, 
    367, 
    368, 
    369, 
    370, 
    371, 
    372, 
    373, 
    374, 
    377, 
    378, 
    379, 
    380, 
    381, 
    382, 
    383, 
    384, 
    385, 
    387, 
    388, 
    389, 
    391, 
    392, 
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    440, 
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    455, 
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    458, 
    459, 
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    461, 
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    463, 
    465, 
    466, 
    467, 
    468, 
    469, 
    470, 
    471, 
    472, 
    473, 
    474, 
    476, 
    478, 
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    480, 
    481, 
    482, 
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    484, 
    485, 
    486, 
    487, 
    488, 
    489, 
    491, 
    492, 
    493, 
    494, 
    495, 
    496, 
    497, 
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    548, 
    549, 
    550, 
    551, 
    553, 
    554, 
    556, 
    557, 
    558, 
    559, 
    560, 
    561, 
    562, 
    563, 
    564, 
    566, 
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    568, 
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    586, 
    587, 
    588, 
    590, 
    591, 
    592, 
    593, 
    594, 
    595, 
    596, 
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    598, 
    600, 
    602, 
    603, 
    604, 
    606, 
    607, 
    609, 
    610, 
    611, 
    613, 
    618, 
    620, 
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    622, 
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    624, 
    625, 
    626, 
    627, 
    628, 
    629, 
    630, 
    631, 
    632, 
    633, 
    634, 
    635, 
    636, 
    637, 
    639, 
    641, 
    642, 
    643, 
    644, 
    646, 
    647, 
    649, 
    655, 
    660, 
    661, 
    662, 
    663, 
    665, 
    668, 
    669, 
    670, 
    671, 
    672, 
    673, 
    674, 
    675, 
    676, 
    678, 
    679, 
    680, 
    681, 
    682, 
    685, 
    686, 
    687, 
    688, 
    689, 
    690, 
    691, 
    692, 
    693, 
    694, 
    695, 
    696, 
    697, 
    707, 
    719, 
    0
  ) 
  AND products.company_id = 379 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND prices.usergroup_id IN (0, 0, 1) 
  AND products.company_id = 379 
  AND products.parent_product_id = 0 
GROUP BY 
  products.product_id 
ORDER BY 
  products.timestamp desc, 
  products.product_id ASC 
LIMIT 
  0, 20

Query time 0.52390

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "65505.08"
    },
    "ordering_operation": {
      "using_filesort": true,
      "grouping_operation": {
        "using_temporary_table": true,
        "using_filesort": false,
        "nested_loop": [
          {
            "table": {
              "table_name": "companies",
              "access_type": "const",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "company_id"
              ],
              "key_length": "4",
              "ref": [
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.00",
                "eval_cost": "0.20",
                "prefix_cost": "0.00",
                "data_read_per_join": "9K"
              },
              "used_columns": [
                "company_id",
                "status",
                "company",
                "ec_rfq_whatsapp_number",
                "ec_rfq_phone_number",
                "ec_rfq_bhf",
                "ec_rfq_bht"
              ]
            }
          },
          {
            "table": {
              "table_name": "products",
              "access_type": "index_merge",
              "possible_keys": [
                "PRIMARY",
                "age_verification",
                "status",
                "idx_parent_product_id",
                "idx_master_product_id"
              ],
              "key": "intersect(status,idx_parent_product_id)",
              "key_length": "3,4",
              "rows_examined_per_scan": 80280,
              "rows_produced_per_join": 8028,
              "filtered": "10.00",
              "cost_info": {
                "read_cost": "37826.98",
                "eval_cost": "1605.60",
                "prefix_cost": "39432.58",
                "data_read_per_join": "61M"
              },
              "used_columns": [
                "product_id",
                "product_type",
                "status",
                "company_id",
                "timestamp",
                "usergroup_ids",
                "parent_product_id"
              ],
              "attached_condition": "((`webmarco`.`products`.`parent_product_id` = 0) and (`webmarco`.`products`.`company_id` = 379) and ((`webmarco`.`products`.`usergroup_ids` = '') or find_in_set(0,`webmarco`.`products`.`usergroup_ids`) or find_in_set(1,`webmarco`.`products`.`usergroup_ids`)) and (`webmarco`.`products`.`status` = 'A'))"
            }
          },
          {
            "table": {
              "table_name": "cscart_ec_table_booking_system",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "4",
              "ref": [
                "webmarco.products.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 8028,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "8028.00",
                "eval_cost": "1605.60",
                "prefix_cost": "49066.18",
                "data_read_per_join": "1M"
              },
              "used_columns": [
                "product_id",
                "booking_type"
              ],
              "attached_condition": "<if>(is_not_null_compl(cscart_ec_table_booking_system), (`webmarco`.`cscart_ec_table_booking_system`.`product_id` = `webmarco`.`products`.`product_id`), true)"
            }
          },
          {
            "table": {
              "table_name": "prices",
              "access_type": "ref",
              "possible_keys": [
                "usergroup",
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "key": "usergroup",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "webmarco.products.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 2007,
              "filtered": "25.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "8028.00",
                "eval_cost": "401.40",
                "prefix_cost": "58699.78",
                "data_read_per_join": "125K"
              },
              "used_columns": [
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "attached_condition": "((`webmarco`.`prices`.`lower_limit` = 1) and (`webmarco`.`prices`.`usergroup_id` in (0,0,1)))"
            }
          },
          {
            "table": {
              "table_name": "products_categories",
              "access_type": "ref",
              "possible_keys": [
                "PRIMARY",
                "pt"
              ],
              "key": "pt",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "webmarco.products.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 3330,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "2008.95",
                "eval_cost": "666.10",
                "prefix_cost": "61374.83",
                "data_read_per_join": "52K"
              },
              "used_columns": [
                "product_id",
                "category_id"
              ]
            }
          },
          {
            "table": {
              "table_name": "cscart_categories",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "c_status",
                "p_category_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id"
              ],
              "key_length": "3",
              "ref": [
                "webmarco.products_categories.category_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 166,
              "filtered": "5.00",
              "cost_info": {
                "read_cost": "3330.49",
                "eval_cost": "33.30",
                "prefix_cost": "65371.42",
                "data_read_per_join": "987K"
              },
              "used_columns": [
                "category_id",
                "usergroup_ids",
                "status",
                "storefront_id"
              ],
              "attached_condition": "(((`webmarco`.`cscart_categories`.`usergroup_ids` = '') or find_in_set(0,`webmarco`.`cscart_categories`.`usergroup_ids`) or find_in_set(1,`webmarco`.`cscart_categories`.`usergroup_ids`)) and (`webmarco`.`cscart_categories`.`status` in ('A','H')) and (`webmarco`.`cscart_categories`.`storefront_id` in (0,1)))"
            }
          },
          {
            "table": {
              "table_name": "descr1",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "product_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id",
                "lang_code"
              ],
              "key_length": "9",
              "ref": [
                "webmarco.products.product_id",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 166,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "100.35",
                "eval_cost": "33.30",
                "prefix_cost": "65505.08",
                "data_read_per_join": "1M"
              },
              "used_columns": [
                "product_id",
                "lang_code",
                "product"
              ]
            }
          }
        ]
      }
    }
  }
}

Result

product_id product company_name ec_rfq_whatsapp_number ec_rfq_bht ec_rfq_phone_number ec_rfq_bhf product_type parent_product_id booking_type
435279 MATI FORTUNA AGIORGITIKO & MERLOT DRY ROSE WINE 750 ml Riser Trade Co Ltd P 0 N
435278 MATI FORTUNA RED - AGIORGITIKO & CABERNET SAUVIGNON DRY RED WINE 750 ml Riser Trade Co Ltd P 0 N
435269 Σόδα πλύσεως σκόνη REX TURBO ACTION 500gr Riser Trade Co Ltd P 0 N
435268 Σόδα πλύσεως REX με φυσικό ζεόλιθο 300gr Riser Trade Co Ltd P 0 N
435267 Yγρό πλυντηρίου ρούχων Thess clean White Musk 1.5 Litres - 30 πλύσεων Riser Trade Co Ltd P 0 N
435266 Υγρό Πλυντηρίου Ρούχων REX Soda Power 3 Λίτρων 2σε1 WHITE MUSK - 60 πλύσεων Riser Trade Co Ltd P 0 N
435265 Υγρό Πλυντηρίου Ρούχων REX Soda Power 3 Λίτρων 2σε1 Fiori di Loto - 60 πλύσεων Riser Trade Co Ltd P 0 N
359804 Cleaning powder for espresso & coffe mashines CAFE ARET 900gr Riser Trade Co Ltd P 0
359761 Luminia Metals,Stainless Steel,Silver,Ceramic Cleaner & Polisher 500ml Riser Trade Co Ltd P 0
309479 LUCIDANTE 250ml SILVER & PRECIOUS METAL CLEANER Riser Trade Co Ltd P 0
309437 Vs NARCISSUS MALAGOUZIA 750ml - DRY WHITE WINE Riser Trade Co Ltd P 0
286353 To Filema Tis Lelas Fig Spoon Sweet no sugar 240gr Riser Trade Co Ltd P 0
286351 To Filema Tis Lelas Grape Spoon Sweet no sugar 240gr Riser Trade Co Ltd P 0
286350 To Filema Tis Lelas Orange Spoon Sweet no sugar 240gr Riser Trade Co Ltd P 0
286347 To Filema Tis Lelas Bergamot Spoon Sweet no sugar 240gr Riser Trade Co Ltd P 0
286346 To Filema Tis Lelas Quince Spoon Sweet no sugar 240gr Riser Trade Co Ltd P 0
286345 To Filema Tis Lelas Cherry Spoon Sweet no sugar 240gr Riser Trade Co Ltd P 0
286344 To Filema Tis Lelas Sour Cherry Spoon Sweet no sugar 240gr Riser Trade Co Ltd P 0
285793 To Filema Tis Lelas Cranberry Balsamic Vinegar Dressing 250gr Riser Trade Co Ltd P 0
285792 To Filema Tis Lelas Orange Balsamic Vinegar Dressing 250gr Riser Trade Co Ltd P 0