UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ri5gKwx/q51o5lFaMGmnKWoansn6ZDvpY1dtD+IiF8s=' 
WHERE 
  key_id = '46416559522c28ba9d0461c5d886b3b9808516d75dcf770cf0df7fa1a8528c60' 
  AND (
    token = 'ri5gKwx/q51o5lFaMGmnKWoansn6ZDvpY1dtD+IiF8s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )