SELECT 
  q_product_feature_variants.variant_id, 
  q_product_feature_variants.position, 
  q_product_feature_variants.color, 
  q_product_feature_variant_descriptions.variant 
FROM 
  q_product_feature_variants 
  LEFT JOIN q_product_feature_variant_descriptions ON q_product_feature_variants.variant_id = q_product_feature_variant_descriptions.variant_id 
  AND q_product_feature_variant_descriptions.lang_code = 'en' 
WHERE 
  q_product_feature_variants.variant_id IN (
    5954, 5978, 6068, 6426, 6527, 6704, 6706, 
    6848, 7338, 7376, 7425, 7426, 7427, 
    7434, 7449, 7613, 7837, 8765, 8813, 
    9081, 9082, 9083, 9087, 9117, 9296, 
    9383, 9557
  ) 
ORDER BY 
  q_product_feature_variants.position ASC, 
  q_product_feature_variant_descriptions.variant ASC

Query time 0.00080

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "97.21"
    },
    "ordering_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "nested_loop": [
        {
          "table": {
            "table_name": "q_product_feature_variants",
            "access_type": "range",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "variant_id"
            ],
            "key_length": "3",
            "rows_examined_per_scan": 27,
            "rows_produced_per_join": 27,
            "filtered": "100.00",
            "index_condition": "(`portal`.`q_product_feature_variants`.`variant_id` in (5954,5978,6068,6426,6527,6704,6706,6848,7338,7376,7425,7426,7427,7434,7449,7613,7837,8765,8813,9081,9082,9083,9087,9117,9296,9383,9557))",
            "cost_info": {
              "read_cost": "59.41",
              "eval_cost": "5.40",
              "prefix_cost": "64.81",
              "data_read_per_join": "30K"
            },
            "used_columns": [
              "variant_id",
              "color",
              "position"
            ]
          }
        },
        {
          "table": {
            "table_name": "q_product_feature_variant_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "variant_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "portal.q_product_feature_variants.variant_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 27,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "27.00",
              "eval_cost": "5.40",
              "prefix_cost": "97.21",
              "data_read_per_join": "81K"
            },
            "used_columns": [
              "variant_id",
              "variant",
              "lang_code"
            ]
          }
        }
      ]
    }
  }
}