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 (
    339707, 392169, 339656, 430908, 339769, 
    339807, 431115, 431133, 339829, 339758, 
    339677, 339809, 431050, 339729, 381702, 
    431150, 430747, 431026, 339648, 431158, 
    430681, 339851, 431195, 339479, 430748, 
    339847, 381696, 431122, 339654, 339712, 
    339746, 430907, 431102, 430924, 430998, 
    387047, 339704, 339735, 430648, 339664, 
    430696, 431201, 430771, 339760, 430916, 
    339485, 339817, 430824, 430915, 339720, 
    430636, 430638, 430823, 431139, 339812, 
    430743, 430857, 430646, 430813, 430935, 
    430803, 431120, 430821, 339714, 339835, 
    430831, 431145, 431151, 430665, 339668, 
    381698, 339715, 339761, 430649, 430751, 
    387049, 339671, 339820, 381699, 430647, 
    430848, 431127, 431109, 430766, 339694, 
    339650, 430903, 339593, 431114, 430660, 
    430817, 431097, 431163, 431194, 339849, 
    431103, 430902, 430912, 339755, 430807
  )

Query time 0.00177

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 (339707,392169,339656,430908,339769,339807,431115,431133,339829,339758,339677,339809,431050,339729,381702,431150,430747,431026,339648,431158,430681,339851,431195,339479,430748,339847,381696,431122,339654,339712,339746,430907,431102,430924,430998,387047,339704,339735,430648,339664,430696,431201,430771,339760,430916,339485,339817,430824,430915,339720,430636,430638,430823,431139,339812,430743,430857,430646,430813,430935,430803,431120,430821,339714,339835,430831,431145,431151,430665,339668,381698,339715,339761,430649,430751,387049,339671,339820,381699,430647,430848,431127,431109,430766,339694,339650,430903,339593,431114,430660,430817,431097,431163,431194,339849,431103,430902,430912,339755,430807))"
        }
      },
      {
        "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"
          ]
        }
      }
    ]
  }
}