UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WmZ6R2wn/YlHbqq5j76dllI5TFUJe1lNTUcfeBosXAg=' 
WHERE 
  key_id = '9ddb568716530839a3a50d8ad655665bec6d871d9f8ba59f0f9e3ac3a4cdccb4' 
  AND (
    token = 'WmZ6R2wn/YlHbqq5j76dllI5TFUJe1lNTUcfeBosXAg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )