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 (
    82549, 92001, 91885, 91886, 91887, 92329, 
    92330, 92331, 92332, 92000, 92346, 
    91901, 91902, 91903, 92345, 92347, 
    92348, 82551, 92342, 91897, 91898, 
    91899, 92341, 92343, 92344, 88925, 
    88926, 88927, 91470, 91884, 91900, 
    90844, 82430, 82431, 82433, 91896, 
    90272, 86076, 86079, 86080, 90794, 
    90271, 90795, 86077, 86078, 93868, 
    93869, 93870, 93871, 94381, 95557, 
    95944, 96778, 96779, 96780, 96791, 
    96839, 96840, 98192, 98193, 98194, 
    98195, 98196, 98197, 98198, 98199, 
    98208, 98209, 98210, 98211, 98212, 
    98213, 98214, 98215, 98216, 98217, 
    98218, 98219, 98220, 98221, 98222, 
    98223, 98322, 98323, 98563, 98564, 
    98565, 98566, 98567, 98568, 98569, 
    99519, 99520, 99521, 99522, 99523
  )

Query time 0.00098

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 (82549,92001,91885,91886,91887,92329,92330,92331,92332,92000,92346,91901,91902,91903,92345,92347,92348,82551,92342,91897,91898,91899,92341,92343,92344,88925,88926,88927,91470,91884,91900,90844,82430,82431,82433,91896,90272,86076,86079,86080,90794,90271,90795,86077,86078,93868,93869,93870,93871,94381,95557,95944,96778,96779,96780,96791,96839,96840,98192,98193,98194,98195,98196,98197,98198,98199,98208,98209,98210,98211,98212,98213,98214,98215,98216,98217,98218,98219,98220,98221,98222,98223,98322,98323,98563,98564,98565,98566,98567,98568,98569,99519,99520,99521,99522,99523))",
          "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"
          ]
        }
      }
    ]
  }
}