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 (
    89307, 82362, 89319, 89326, 91960, 90096, 
    89312, 90118, 89345, 89193, 89318, 
    89347, 89346, 89197, 89255, 89348, 
    89261, 89314, 89320, 83140, 84119, 
    89260, 89315, 89256, 82360, 89313, 
    89316, 91953, 91954, 91955, 91956, 
    91957, 91958, 91959, 84290, 82404, 
    83118, 84115, 89310, 82342, 89311, 
    82367, 89304, 86236, 86815, 89973, 
    82364, 82363, 86222, 89303, 82338, 
    89259, 82337, 90116, 89258, 82406, 
    82412, 82426, 86224, 89195, 91978, 
    91981, 82563, 82567, 82571, 82333, 
    86225, 89975, 91977, 91979, 91980, 
    91982, 91983, 82556, 84117, 85583, 
    89595, 89596, 89597, 82335, 82336, 
    82401, 82409, 82419, 83138, 82405, 
    82411, 82425, 90123, 91992, 91936, 
    89202, 91970, 91973, 86234, 82374
  )

Query time 0.00093

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 (89307,82362,89319,89326,91960,90096,89312,90118,89345,89193,89318,89347,89346,89197,89255,89348,89261,89314,89320,83140,84119,89260,89315,89256,82360,89313,89316,91953,91954,91955,91956,91957,91958,91959,84290,82404,83118,84115,89310,82342,89311,82367,89304,86236,86815,89973,82364,82363,86222,89303,82338,89259,82337,90116,89258,82406,82412,82426,86224,89195,91978,91981,82563,82567,82571,82333,86225,89975,91977,91979,91980,91982,91983,82556,84117,85583,89595,89596,89597,82335,82336,82401,82409,82419,83138,82405,82411,82425,90123,91992,91936,89202,91970,91973,86234,82374))",
          "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"
          ]
        }
      }
    ]
  }
}