UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zL+eVqV1wDzrDcIuWXLYlxeJE6LqOzqyH9uPszSs46I=' 
WHERE 
  key_id = 'c184957e7a4e5a13efcf1c3ad2c4937e2988d026b4ce57f905cd186043073728' 
  AND (
    token = 'zL+eVqV1wDzrDcIuWXLYlxeJE6LqOzqyH9uPszSs46I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )