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 (453) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00080

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "7.70"
    },
    "ordering_operation": {
      "using_filesort": true,
      "nested_loop": [
        {
          "table": {
            "table_name": "a",
            "access_type": "ref",
            "possible_keys": [
              "status",
              "option_id",
              "option_id_2"
            ],
            "key": "option_id",
            "used_key_parts": [
              "option_id",
              "status"
            ],
            "key_length": "6",
            "ref": [
              "const",
              "const"
            ],
            "rows_examined_per_scan": 11,
            "rows_produced_per_join": 11,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "2.75",
              "eval_cost": "1.10",
              "prefix_cost": "3.85",
              "data_read_per_join": "528"
            },
            "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": 11,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "2.75",
              "eval_cost": "1.10",
              "prefix_cost": "7.70",
              "data_read_per_join": "8K"
            },
            "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
32A 12570 453 1 0.000 A 0.000 A 0.000 A A
32B 12571 453 2 0.000 A 0.000 A 0.000 A A
32C 12572 453 3 0.000 A 0.000 A 0.000 A A
32D 12573 453 4 0.000 A 0.000 A 0.000 A A
34A 12574 453 5 0.000 A 0.000 A 0.000 A A
34B 12575 453 6 0.000 A 0.000 A 0.000 A A
34C 12576 453 7 0.000 A 0.000 A 0.000 A A
34D 12577 453 8 0.000 A 0.000 A 0.000 A A
36A 12578 453 9 0.000 A 0.000 A 0.000 A A
36B 12579 453 10 0.000 A 0.000 A 0.000 A A
36C 12580 453 11 0.000 A 0.000 A 0.000 A A
36D 12581 453 12 0.000 A 0.000 A 0.000 A A
38A 12582 453 13 0.000 A 0.000 A 0.000 A A
38B 12583 453 14 0.000 A 0.000 A 0.000 A A
38C 12584 453 15 0.000 A 0.000 A 0.000 A A