UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O0gmoy2TKbn4po/1kKR607+EqMuFiLXtgqC0KVTbXEg=' 
WHERE 
  key_id = 'eee18750f673a844f529cec8ab6fd2b3221b35b07adf41dfbb24e942225b9f8a' 
  AND (
    token = 'O0gmoy2TKbn4po/1kKR607+EqMuFiLXtgqC0KVTbXEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )