UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O//6saNSH+Oimvvjkhk8eIZTSwFyekQd6+3VWIfw0ok=' 
WHERE 
  key_id = 'e6551797180eb0d7942d2f4824711f3f40d5e004b02e879fab02d259fac57176' 
  AND (
    token = 'O//6saNSH+Oimvvjkhk8eIZTSwFyekQd6+3VWIfw0ok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )