In this video we will show you how to change the expiration date of your key. Put it online on the keyservers and make an carli-keyring package for it.
Resources are :
http://www.g-loaded.eu/2010/11/01/change-expiration-date-gpg-key/
https://wiki.archlinux.org/title/GnuPG
https://wiki.archlinux.org/title/Pacman/Package_signing