I recently updated the nextcloud appliance trought their updater in the GUI.

After that and ever since when I try to update the linux machine i have this

Ign:1 http://archive.turnkeylinux.org/debian buster-security InRelease
Hit:2 http://security.debian.org buster/updates InRelease                                                            
Hit:3 http://deb.debian.org/debian buster InRelease                                                                  
Ign:4 http://archive.turnkeylinux.org/debian buster InRelease       
Hit:5 http://archive.turnkeylinux.org/debian buster-security Release
Get:6 https://packages.sury.org/php buster InRelease [6823 B]
Hit:7 http://archive.turnkeylinux.org/debian buster Release                                
Err:6 https://packages.sury.org/php buster InRelease      
  The following signatures were invalid: EXPKEYSIG THEY KEY I HAD DEB.SURY.ORG Automatic Signing Key <deb@sury.org>
Reading package lists... Done
W: GPG error: https://packages.sury.org/php buster InRelease: The following signatures were invalid: EXPKEYSIG THEKEYIHAD DEB.SURY.ORG Automatic Signing Key <deb@sury.org>
E: The repository 'https://packages.sury.org/php buster InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

Like the key in question is no being accepted for some reason.

Did someone ever expirianced this? How can i solve it?