SELECT 
  b.variant_name, 
  a.* 
FROM 
  cscart_product_option_variants AS a 
  LEFT JOIN cscart_product_option_variants_descriptions AS b ON b.variant_id = a.variant_id 
  AND b.lang_code = 'en' 
WHERE 
  1 
  AND a.option_id IN (578, 577) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00095

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "54.51"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "30.00"
      },
      "nested_loop": [
        {
          "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": 30,
            "rows_produced_per_join": 30,
            "filtered": "100.00",
            "index_condition": "((`cscartdb`.`a`.`option_id` in (578,577)) and (`cscartdb`.`a`.`status` = 'A'))",
            "cost_info": {
              "read_cost": "11.01",
              "eval_cost": "3.00",
              "prefix_cost": "14.01",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "variant_id",
              "option_id",
              "position",
              "modifier",
              "modifier_type",
              "weight_modifier",
              "weight_modifier_type",
              "point_modifier",
              "point_modifier_type",
              "status",
              "note_required"
            ]
          }
        },
        {
          "table": {
            "table_name": "b",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "variant_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "cscartdb.a.variant_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 30,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "7.50",
              "eval_cost": "3.00",
              "prefix_cost": "24.51",
              "data_read_per_join": "22K"
            },
            "used_columns": [
              "variant_id",
              "lang_code",
              "variant_name"
            ]
          }
        }
      ]
    }
  }
}

Result

variant_name variant_id option_id position modifier modifier_type weight_modifier weight_modifier_type point_modifier point_modifier_type status note_required
10.5 13582 577 1 0.000 A 0.000 A 0.000 A A
5 13622 578 1 0.000 A 0.000 A 0.000 A A
11 13583 577 2 0.000 A 0.000 A 0.000 A A
5.5 13623 578 2 0.000 A 0.000 A 0.000 A A
11.5 13584 577 3 0.000 A 0.000 A 0.000 A A
6 13624 578 3 0.000 A 0.000 A 0.000 A A
12 13585 577 4 0.000 A 0.000 A 0.000 A A
6.5 13625 578 4 0.000 A 0.000 A 0.000 A A
12.5 13586 577 5 0.000 A 0.000 A 0.000 A A
7 13626 578 5 0.000 A 0.000 A 0.000 A A
13 13587 577 6 0.000 A 0.000 A 0.000 A A
7.5 13627 578 6 0.000 A 0.000 A 0.000 A A
13.5 13588 577 7 0.000 A 0.000 A 0.000 A A
8 13628 578 7 0.000 A 0.000 A 0.000 A A
14 13589 577 8 0.000 A 0.000 A 0.000 A A
8.5 13629 578 8 0.000 A 0.000 A 0.000 A A
14.5 13590 577 9 0.000 A 0.000 A 0.000 A A
9 13630 578 9 0.000 A 0.000 A 0.000 A A
15 13591 577 10 0.000 A 0.000 A 0.000 A A
9.5 13631 578 10 0.000 A 0.000 A 0.000 A A
16 13592 577 11 0.000 A 0.000 A 0.000 A A
10 13632 578 11 0.000 A 0.000 A 0.000 A A
16.5 13593 577 12 0.000 A 0.000 A 0.000 A A
10.5 13633 578 12 0.000 A 0.000 A 0.000 A A
17 13594 577 13 0.000 A 0.000 A 0.000 A A
11 13634 578 13 0.000 A 0.000 A 0.000 A A
17.5 13595 577 14 0.000 A 0.000 A 0.000 A A
11.5 13635 578 14 0.000 A 0.000 A 0.000 A A
18 13596 577 15 0.000 A 0.000 A 0.000 A A
12 13636 578 15 0.000 A 0.000 A 0.000 A A
18.5 13597 577 16 0.000 A 0.000 A 0.000 A A
12.5 13637 578 16 0.000 A 0.000 A 0.000 A A
19 13598 577 17 0.000 A 0.000 A 0.000 A A
13 13638 578 17 0.000 A 0.000 A 0.000 A A
19.5 13599 577 18 0.000 A 0.000 A 0.000 A A
20 13600 577 19 0.000 A 0.000 A 0.000 A A
20.5 13601 577 20 0.000 A 0.000 A 0.000 A A
21 13602 577 21 0.000 A 0.000 A 0.000 A A
21.5 13603 577 22 0.000 A 0.000 A 0.000 A A
22 13604 577 23 0.000 A 0.000 A 0.000 A A