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, 3552, 2976, 2979, 3544, 1559, 3547, 
    1600, 2973, 2975, 3278, 3282, 3533, 
    2985, 2862, 3528, 3543, 3538, 2589, 
    2597, 1596, 1610, 3557, 2717, 2814, 
    2696, 1776, 2672, 1766, 2968, 3022, 
    3025, 3582, 1783, 3561, 2831, 1750, 
    3565, 2077, 2667, 2662, 2658, 2713, 
    2707, 2622, 1889, 2617, 2628, 2635, 
    2749, 2792, 2798, 2809, 2980, 2983, 
    3513, 2993, 3089, 3091, 2774, 3195, 
    3200, 3234, 3238, 1755, 1682, 1558, 
    3239, 3242, 3332, 3263, 3266, 3283, 
    3303, 2895, 3326, 3327, 3330, 1609, 
    3335, 3470, 3484, 3494, 3499, 2315, 
    3503, 1748, 3507, 3510, 1790, 3516, 
    3570, 3577, 3581, 3594
  ) 
ORDER BY 
  cscart_product_feature_variants.position ASC, 
  cscart_product_feature_variant_descriptions.variant ASC

Query time 0.00349

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "99.76"
    },
    "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": 95,
            "rows_produced_per_join": 95,
            "filtered": "100.00",
            "index_condition": "(`softwarepirmam_hewadelivard_cscart_4`.`cscart_product_feature_variants`.`variant_id` in (1560,3552,2976,2979,3544,1559,3547,1600,2973,2975,3278,3282,3533,2985,2862,3528,3543,3538,2589,2597,1596,1610,3557,2717,2814,2696,1776,2672,1766,2968,3022,3025,3582,1783,3561,2831,1750,3565,2077,2667,2662,2658,2713,2707,2622,1889,2617,2628,2635,2749,2792,2798,2809,2980,2983,3513,2993,3089,3091,2774,3195,3200,3234,3238,1755,1682,1558,3239,3242,3332,3263,3266,3283,3303,2895,3326,3327,3330,1609,3335,3470,3484,3494,3499,2315,3503,1748,3507,3510,1790,3516,3570,3577,3581,3594))",
            "cost_info": {
              "read_cost": "57.01",
              "eval_cost": "9.50",
              "prefix_cost": "66.51",
              "data_read_per_join": "108K"
            },
            "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": 95,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "23.75",
              "eval_cost": "9.50",
              "prefix_cost": "99.76",
              "data_read_per_join": "287K"
            },
            "used_columns": [
              "variant_id",
              "variant",
              "lang_code"
            ]
          }
        }
      ]
    }
  }
}