I'm really sorry but your license keys are expired.
The add-ons were bought on the 22nd of March 2017.
All our products subject to yearly licenses for future updates. However, you’ll still be able to use the version you have for an unlimited time. Please read the license agreement here: https://gvectors.com/terms-and-conditions/#gaining-download-access
No necessary to insert the keys. The add-ons work fine without activation. The activation is only needed to get updates. As far as your license is expired we cannot provide you any new activation key. I'm really sorry but you'll need to use the add-ons without activation.