UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sPl+SQB6DK7g9fNq7ek8p27aJY84WEz9XaYwjGdSG4I=' 
WHERE 
  key_id = 'ee5d3b7c8c79d1fa595b9b081de95fe50d772f04d60dbc952ab33919e4cbc986' 
  AND (
    token = 'sPl+SQB6DK7g9fNq7ek8p27aJY84WEz9XaYwjGdSG4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )