UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Ybs9Sms8fE7YfnBS5m9+EnUxAX7iBOQT106IAf0d5E=' 
WHERE 
  key_id = '9483439bc2de7dad3eb9e1deef9a0893b38920841702cf762ed76cb393d8eb70' 
  AND (
    token = '/Ybs9Sms8fE7YfnBS5m9+EnUxAX7iBOQT106IAf0d5E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )