UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HVRBMMaNCY17odAyMPfKFz9HIGVFB7fWYXpubJEKSyg=' 
WHERE 
  key_id = 'cc3a6dff8aaeb7570e05e096b37aecde2e08500cb131ec430680a8786ee3411e' 
  AND (
    token = 'HVRBMMaNCY17odAyMPfKFz9HIGVFB7fWYXpubJEKSyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )