UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '77K9iq/uVopAGU7HII9K4omoVc5CalmHqN4de/H2MH0=' 
WHERE 
  key_id = '6ccd507f632dc176667edabea436826b4b5f5966e5a68315ed00b67961cab1f9' 
  AND (
    token = '77K9iq/uVopAGU7HII9K4omoVc5CalmHqN4de/H2MH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )