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 (
    1975, 2305, 49192, 2303, 31965, 1972
  ) 
  AND a.product_id = 0 
  AND a.status = 'A' 
ORDER BY 
  a.position

Query time 0.00150

JSON explain

{
  "query_block": {
    "select_id": 1,
    "filesort": {
      "sort_key": "a.position",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "c",
              "access_type": "range",
              "possible_keys": ["PRIMARY", "product_id"],
              "key": "product_id",
              "key_length": "3",
              "used_key_parts": ["product_id"],
              "rows": 9,
              "filtered": 100,
              "index_condition": "c.product_id in (1975,2305,49192,2303,31965,1972)"
            }
          },
          {
            "table": {
              "table_name": "a",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY", "c_status"],
              "key": "PRIMARY",
              "key_length": "3",
              "used_key_parts": ["option_id"],
              "ref": ["dev_db.c.option_id"],
              "rows": 1,
              "filtered": 95.83333588,
              "attached_condition": "a.product_id = 0 and a.`status` = 'A'"
            }
          },
          {
            "table": {
              "table_name": "b",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["option_id", "lang_code"],
              "ref": ["dev_db.c.option_id", "const"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(b.lang_code = 'en')"
            }
          }
        ]
      }
    }
  }
}