SELECT 
  a.variant_id, 
  a.option_id, 
  a.position, 
  a.modifier, 
  a.modifier_type, 
  a.weight_modifier, 
  a.weight_modifier_type, 
  a.point_modifier, 
  a.point_modifier_type, 
  b.variant_name, 
  IF(
    shared_option_variants.variant_id IS NOT NULL, 
    shared_option_variants.modifier, 
    a.modifier
  ) as modifier, 
  IF(
    shared_option_variants.variant_id IS NOT NULL, 
    shared_option_variants.modifier_type, 
    a.modifier_type
  ) as modifier_type 
FROM 
  cscart_product_option_variants as a 
  LEFT JOIN cscart_product_option_variants_descriptions as b ON a.variant_id = b.variant_id 
  AND b.lang_code = 'es' 
  LEFT JOIN cscart_ult_product_option_variants shared_option_variants ON shared_option_variants.variant_id = a.variant_id 
  AND shared_option_variants.company_id = 1 
WHERE 
  a.option_id IN (
    1500, 1551, 1602, 1501, 1552, 1603, 1706, 
    1737, 1768, 101, 1883, 1897, 1911, 104, 
    1886, 1900, 1914, 1629, 1650, 1671, 
    1633, 1654, 1675, 2714, 2736, 2758, 
    2716, 2738, 2760, 2719, 2741, 2763, 
    1288, 1334, 1380, 3602, 3633, 3664
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00115

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "170.61"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "51.00"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "shared_option_variants",
            "access_type": "system",
            "possible_keys": [
              "PRIMARY",
              "company_id"
            ],
            "rows_examined_per_scan": 0,
            "rows_produced_per_join": 1,
            "filtered": "0.00",
            "const_row_not_found": true,
            "cost_info": {
              "read_cost": "0.00",
              "eval_cost": "0.20",
              "prefix_cost": "0.00",
              "data_read_per_join": "24"
            },
            "used_columns": [
              "variant_id",
              "company_id",
              "modifier",
              "modifier_type"
            ]
          }
        },
        {
          "table": {
            "table_name": "a",
            "access_type": "range",
            "possible_keys": [
              "status",
              "option_id",
              "option_id_2"
            ],
            "key": "option_id",
            "used_key_parts": [
              "option_id",
              "status"
            ],
            "key_length": "6",
            "rows_examined_per_scan": 51,
            "rows_produced_per_join": 51,
            "filtered": "100.00",
            "index_condition": "((`eshopuga_upgr_4122`.`a`.`option_id` in (1500,1551,1602,1501,1552,1603,1706,1737,1768,101,1883,1897,1911,104,1886,1900,1914,1629,1650,1671,1633,1654,1675,2714,2736,2758,2716,2738,2760,2719,2741,2763,1288,1334,1380,3602,3633,3664)) and (`eshopuga_upgr_4122`.`a`.`status` = 'A'))",
            "cost_info": {
              "read_cost": "99.21",
              "eval_cost": "10.20",
              "prefix_cost": "109.41",
              "data_read_per_join": "2K"
            },
            "used_columns": [
              "variant_id",
              "option_id",
              "position",
              "modifier",
              "modifier_type",
              "weight_modifier",
              "weight_modifier_type",
              "point_modifier",
              "point_modifier_type",
              "status"
            ]
          }
        },
        {
          "table": {
            "table_name": "b",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "variant_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "eshopuga_upgr_4122.a.variant_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 51,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.00",
              "eval_cost": "10.20",
              "prefix_cost": "119.61",
              "data_read_per_join": "39K"
            },
            "used_columns": [
              "variant_id",
              "lang_code",
              "variant_name"
            ]
          }
        }
      ]
    }
  }
}

Result

variant_id option_id position modifier modifier_type weight_modifier weight_modifier_type point_modifier point_modifier_type variant_name
430 101 0 0.000 A 0.000 A 0.000 A
436 104 0 0.000 A 0.000 A 0.000 A
1524 1334 0 0.000 A 0.000 A 0.000 A
1648 1551 0 0.000 A 0.000 A 0.000 A
1650 1552 0 0.000 A 0.000 A 0.000 A
1702 1650 0 0.000 A 0.000 A 0.000 A
1710 1654 0 0.000 A 0.000 A 0.000 A
1772 1737 0 0.000 A 0.000 A 0.000 A
1874 1897 0 0.000 A 0.000 A 0.000 A
1880 1900 0 0.000 A 0.000 A 0.000 A
2440 2736 0 0.000 A 0.000 A 0.000 A
2444 2738 0 0.000 A 0.000 A 0.000 A
2450 2741 0 0.000 A 0.000 A 0.000 A
3102 3633 0 0.000 A 0.000 A 0.000 A
429 101 1 4.000 A 0.000 A 0.000 A
435 104 1 5.000 A 0.000 A 0.000 A
1523 1334 1 2.000 A 0.000 A 0.000 A
1647 1551 1 2.000 A 0.000 A 0.000 A
1649 1552 1 2.000 A 0.000 A 0.000 A
1701 1650 1 2.000 A 0.000 A 0.000 A
1709 1654 1 2.000 A 0.000 A 0.000 A
1771 1737 1 2.000 A 0.000 A 0.000 A
1873 1897 1 2.000 A 0.000 A 0.000 A
1879 1900 1 2.000 A 0.000 A 0.000 A
2439 2736 1 2.000 A 0.000 A 0.000 A
2443 2738 1 2.000 A 0.000 A 0.000 A
2449 2741 1 2.000 A 0.000 A 0.000 A
3101 3633 1 2.000 A 0.000 A 0.000 A