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 (
    430895, 430982, 430997, 431129, 431165, 
    339481, 387046, 430723, 430804, 430946, 
    430972, 431007, 431295, 430679, 430933, 
    431037, 431237, 431308, 339838, 431149, 
    431280, 431288, 431289, 431376, 431424, 
    431087, 431457, 430720, 430726, 430920, 
    431138, 431354, 431355, 430674, 431047, 
    431392, 431470, 430627, 430718, 430886, 
    430949, 431034, 431246, 431309, 431021, 
    431218, 430974, 431056, 431108, 431112, 
    431350, 431505, 430683, 430828, 430835, 
    430872, 431411, 431440, 430690, 430741, 
    430867, 430889, 431494, 430739, 431012, 
    431045, 431152, 339846, 430715, 430793, 
    431329, 431465, 430877, 431340, 431403, 
    430799, 431211, 431284, 387050, 430858, 
    431240, 431349, 431360, 431464, 430791, 
    431038, 431341, 431343, 431425, 430770, 
    430934, 430948, 430975, 431406, 431474, 
    392168, 430734, 430764, 430790, 431030
  )

Query time 0.00122

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 (430895,430982,430997,431129,431165,339481,387046,430723,430804,430946,430972,431007,431295,430679,430933,431037,431237,431308,339838,431149,431280,431288,431289,431376,431424,431087,431457,430720,430726,430920,431138,431354,431355,430674,431047,431392,431470,430627,430718,430886,430949,431034,431246,431309,431021,431218,430974,431056,431108,431112,431350,431505,430683,430828,430835,430872,431411,431440,430690,430741,430867,430889,431494,430739,431012,431045,431152,339846,430715,430793,431329,431465,430877,431340,431403,430799,431211,431284,387050,430858,431240,431349,431360,431464,430791,431038,431341,431343,431425,430770,430934,430948,430975,431406,431474,392168,430734,430764,430790,431030))"
        }
      },
      {
        "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"
          ]
        }
      }
    ]
  }
}