UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2AbkEZMYr8FQQ8MRr+DggGaWsFph9KI7+KrSn5leME8=' 
WHERE 
  key_id = '3cf11a79e9f403047471848ca4ede319ddfad954cab6282344f2b1c4e5284979' 
  AND (
    token = '2AbkEZMYr8FQQ8MRr+DggGaWsFph9KI7+KrSn5leME8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )