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 (
    92337, 92338, 92339, 92340, 88093, 84704, 
    84707, 91054, 90824, 90825, 89173, 
    91839, 87232, 87233, 87237, 87238, 
    87242, 87243, 87247, 87248, 88509, 
    88513, 88950, 88951, 88952, 90321, 
    90322, 92450, 92451, 92452, 92453, 
    92454, 92455, 92456, 91838, 86859, 
    88142, 88145, 88520, 91885, 87878, 
    91837, 91886, 91887, 92329, 92330, 
    92331, 92332, 92500, 86278, 86279, 
    82385, 82362, 84696, 88938, 84699, 
    88516, 88519, 88949, 92000, 85039, 
    92424, 92425, 92426, 92427, 92428, 
    92429, 92431, 88940, 84251, 84256, 
    87580, 87595, 87610, 88791, 87370, 
    89609, 89610, 84703, 84706, 91053, 
    92432, 92433, 92434, 92435, 92436, 
    92437, 92438, 88941, 88512, 92173, 
    92174, 92395, 92396, 92397, 92398
  )

Query time 0.00084

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.05"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "f",
          "access_type": "ALL",
          "possible_keys": [
            "idx_group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "0.35",
            "data_read_per_join": "104"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "nuie_scalesta_net.f.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "0.70",
            "data_read_per_join": "400"
          },
          "used_columns": [
            "id",
            "code"
          ]
        }
      },
      {
        "table": {
          "table_name": "p",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "3",
          "ref": [
            "nuie_scalesta_net.f.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "index_condition": "(`nuie_scalesta_net`.`p`.`product_id` in (92337,92338,92339,92340,88093,84704,84707,91054,90824,90825,89173,91839,87232,87233,87237,87238,87242,87243,87247,87248,88509,88513,88950,88951,88952,90321,90322,92450,92451,92452,92453,92454,92455,92456,91838,86859,88142,88145,88520,91885,87878,91837,91886,91887,92329,92330,92331,92332,92500,86278,86279,82385,82362,84696,88938,84699,88516,88519,88949,92000,85039,92424,92425,92426,92427,92428,92429,92431,88940,84251,84256,87580,87595,87610,88791,87370,89609,89610,84703,84706,91053,92432,92433,92434,92435,92436,92437,92438,88941,88512,92173,92174,92395,92396,92397,92398))",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "1.05",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ]
        }
      }
    ]
  }
}