UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cdsJo+jyTUheu0I313RASpvOyXTGVKjNdsEUIwK9IuU=' 
WHERE 
  key_id = 'c57607063a724c59b6cdff051f1f11ede3cfadae04bb6dde558184567a1b8959' 
  AND (
    token = 'cdsJo+jyTUheu0I313RASpvOyXTGVKjNdsEUIwK9IuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )