UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GU9+fR5uLhzsSfrNn+JeaX8b6rLJYLi4ZzlhrV9su14=' 
WHERE 
  key_id = 'c6108fd5c4fd7e1ec0d78e1ccc719067e4559b67c4d840295bce81be6dff88e2' 
  AND (
    token = 'GU9+fR5uLhzsSfrNn+JeaX8b6rLJYLi4ZzlhrV9su14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )