SELECT 
  c.product_id AS cur_product_id, 
  a.*, 
  b.option_name, 
  b.internal_option_name, 
  b.option_text, 
  b.description, 
  b.inner_hint, 
  b.incorrect_message, 
  b.comment 
FROM 
  cscart_product_options as a 
  LEFT JOIN cscart_product_options_descriptions as b ON a.option_id = b.option_id 
  AND b.lang_code = 'en' 
  LEFT JOIN cscart_product_global_option_links as c ON c.option_id = a.option_id 
WHERE 
  c.product_id IN (7990) 
  AND a.product_id = 0 
  AND a.option_type IN('S', 'R', 'C') 
  AND a.status = 'A' 
ORDER BY 
  a.position

Query time 0.00092

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2.20"
    },
    "ordering_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "0.59"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "c",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY",
              "product_id"
            ],
            "key": "product_id",
            "used_key_parts": [
              "product_id"
            ],
            "key_length": "3",
            "ref": [
              "const"
            ],
            "rows_examined_per_scan": 2,
            "rows_produced_per_join": 2,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.50",
              "eval_cost": "0.20",
              "prefix_cost": "0.70",
              "data_read_per_join": "16"
            },
            "used_columns": [
              "option_id",
              "product_id"
            ],
            "attached_condition": "(`cscartdb`.`c`.`option_id` is not null)"
          }
        },
        {
          "table": {
            "table_name": "a",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY",
              "c_status"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "option_id"
            ],
            "key_length": "3",
            "ref": [
              "cscartdb.c.option_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "29.56",
            "cost_info": {
              "read_cost": "0.50",
              "eval_cost": "0.06",
              "prefix_cost": "1.40",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "option_id",
              "product_id",
              "company_id",
              "option_type",
              "regexp",
              "required",
              "multiupload",
              "allowed_extensions",
              "max_file_size",
              "missing_variants_handling",
              "status",
              "position",
              "value"
            ],
            "attached_condition": "((`cscartdb`.`a`.`product_id` = 0) and (`cscartdb`.`a`.`option_type` in ('S','R','C')) and (`cscartdb`.`a`.`status` = 'A'))"
          }
        },
        {
          "table": {
            "table_name": "b",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "option_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "cscartdb.c.option_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.15",
              "eval_cost": "0.06",
              "prefix_cost": "1.61",
              "data_read_per_join": "2K"
            },
            "used_columns": [
              "option_id",
              "lang_code",
              "option_name",
              "internal_option_name",
              "option_text",
              "description",
              "comment",
              "inner_hint",
              "incorrect_message"
            ]
          }
        }
      ]
    }
  }
}