SELECT 
  cscart_product_feature_variants.variant_id, 
  cscart_product_feature_variants.position, 
  cscart_product_feature_variants.color, 
  cscart_product_feature_variant_descriptions.variant 
FROM 
  cscart_product_feature_variants 
  LEFT JOIN cscart_product_feature_variant_descriptions ON cscart_product_feature_variants.variant_id = cscart_product_feature_variant_descriptions.variant_id 
  AND cscart_product_feature_variant_descriptions.lang_code = 'ar' 
WHERE 
  cscart_product_feature_variants.variant_id IN (
    1560, 7492, 1559, 6819, 7562, 7571, 7577, 
    7582, 7586, 7545, 7589, 7591, 7595, 
    7599, 7604, 2077, 7608, 7613, 7623, 
    7627, 7628, 7631, 7636, 7641, 1600, 
    7645, 7647, 7650, 7657, 7658, 7662, 
    7667, 1889, 7670, 7574, 7568, 7566, 
    1751, 7557
  ) 
ORDER BY 
  cscart_product_feature_variants.position ASC, 
  cscart_product_feature_variant_descriptions.variant ASC

Query time 0.00145

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "40.96"
    },
    "ordering_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_product_feature_variants",
            "access_type": "range",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "variant_id"
            ],
            "key_length": "3",
            "rows_examined_per_scan": 39,
            "rows_produced_per_join": 39,
            "filtered": "100.00",
            "index_condition": "(`softwarepirmam_hewadelivard_cscart_4`.`cscart_product_feature_variants`.`variant_id` in (1560,7492,1559,6819,7562,7571,7577,7582,7586,7545,7589,7591,7595,7599,7604,2077,7608,7613,7623,7627,7628,7631,7636,7641,1600,7645,7647,7650,7657,7658,7662,7667,1889,7670,7574,7568,7566,1751,7557))",
            "cost_info": {
              "read_cost": "23.41",
              "eval_cost": "3.90",
              "prefix_cost": "27.31",
              "data_read_per_join": "44K"
            },
            "used_columns": [
              "variant_id",
              "color",
              "position"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_product_feature_variant_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "variant_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "softwarepirmam_hewadelivard_cscart_4.cscart_product_feature_variants.variant_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 39,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "9.75",
              "eval_cost": "3.90",
              "prefix_cost": "40.96",
              "data_read_per_join": "117K"
            },
            "used_columns": [
              "variant_id",
              "variant",
              "lang_code"
            ]
          }
        }
      ]
    }
  }
}