SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  cscart_product_variation_group_features AS f 
  INNER JOIN cscart_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN cscart_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    430732, 430833, 430942, 430985, 431076, 
    431466, 431480, 339768, 387046, 430750, 
    431210, 431219, 431330, 431438, 431452, 
    430719, 431380, 430724, 430987, 431181, 
    431222, 431285, 431377, 431481, 431239, 
    431353, 431387, 381709, 430693, 431229, 
    431241, 431412, 431447, 430632, 430727, 
    431292, 431384, 431385, 431440, 431502, 
    431208, 431236, 430733, 431188, 431281, 
    430721, 430682, 431259, 431224, 431335, 
    431361, 430699, 431421, 430701, 430955, 
    431249, 431253, 431332, 431458, 430951, 
    431040, 431081, 431172, 431402, 430731, 
    430757, 431431, 430945, 431009, 431143, 
    431215, 431263, 431298, 431468, 381715, 
    430736, 431170, 431442, 431455, 431472, 
    381706, 431364, 431401, 431414, 431478, 
    430970, 431180, 431454, 381708, 430941, 
    430954, 431233, 431369, 431378, 431446, 
    430725, 431014, 431213, 431225, 431300
  )

Query time 0.00114

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "430.18"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "p",
          "access_type": "range",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "rows_examined_per_scan": 100,
          "rows_produced_per_join": 100,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "120.12",
            "eval_cost": "20.00",
            "prefix_cost": "140.12",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ],
          "attached_condition": "(`webmarco`.`p`.`product_id` in (430732,430833,430942,430985,431076,431466,431480,339768,387046,430750,431210,431219,431330,431438,431452,430719,431380,430724,430987,431181,431222,431285,431377,431481,431239,431353,431387,381709,430693,431229,431241,431412,431447,430632,430727,431292,431384,431385,431440,431502,431208,431236,430733,431188,431281,430721,430682,431259,431224,431335,431361,430699,431421,430701,430955,431249,431253,431332,431458,430951,431040,431081,431172,431402,430731,430757,431431,430945,431009,431143,431215,431263,431298,431468,381715,430736,431170,431442,431455,431472,381706,431364,431401,431414,431478,430970,431180,431454,381708,430941,430954,431233,431369,431378,431446,430725,431014,431213,431225,431300))"
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "webmarco.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 100,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "100.00",
            "eval_cost": "20.00",
            "prefix_cost": "260.12",
            "data_read_per_join": "39K"
          },
          "used_columns": [
            "id",
            "code"
          ]
        }
      },
      {
        "table": {
          "table_name": "f",
          "access_type": "ref",
          "possible_keys": [
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "3",
          "ref": [
            "webmarco.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 141,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "141.72",
            "eval_cost": "28.34",
            "prefix_cost": "430.18",
            "data_read_per_join": "14K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}