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 (
    431325, 381712, 339825, 431042, 430845, 
    430885, 430976, 431200, 431316, 381711, 
    430756, 430801, 430865, 430887, 430904, 
    430939, 430992, 431003, 431393, 430661, 
    430936, 431238, 431251, 339855, 430753, 
    430836, 431011, 431046, 431061, 431333, 
    430810, 430866, 431029, 431072, 431171, 
    431193, 430932, 431052, 430788, 430809, 
    430905, 430927, 430999, 431192, 431205, 
    431463, 430634, 430749, 430862, 430910, 
    431062, 430870, 430923, 431039, 339726, 
    430794, 431024, 431091, 431314, 431326, 
    431327, 430708, 430714, 431315, 430677, 
    430704, 430853, 430888, 430895, 431028, 
    431098, 431242, 430675, 430687, 430707, 
    430811, 431339, 430641, 430713, 430851, 
    431112, 431365, 430694, 430738, 430782, 
    430827, 430861, 430874, 430937, 431077, 
    431308, 339838, 430947, 431245, 339841, 
    430800, 430852, 430855, 431054, 431129
  )

Query time 0.00134

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 (431325,381712,339825,431042,430845,430885,430976,431200,431316,381711,430756,430801,430865,430887,430904,430939,430992,431003,431393,430661,430936,431238,431251,339855,430753,430836,431011,431046,431061,431333,430810,430866,431029,431072,431171,431193,430932,431052,430788,430809,430905,430927,430999,431192,431205,431463,430634,430749,430862,430910,431062,430870,430923,431039,339726,430794,431024,431091,431314,431326,431327,430708,430714,431315,430677,430704,430853,430888,430895,431028,431098,431242,430675,430687,430707,430811,431339,430641,430713,430851,431112,431365,430694,430738,430782,430827,430861,430874,430937,431077,431308,339838,430947,431245,339841,430800,430852,430855,431054,431129))"
        }
      },
      {
        "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"
          ]
        }
      }
    ]
  }
}