Yes i did that but here is the results of "apt-key list" (it seems expired since the 2022-05-27):
/etc/apt/trusted.gpg.d/zentyal-6.2-packages-com.asc
---------------------------------------------------
pub rsa3072 2020-05-27 [SC] [expired: 2022-05-27]
935D 5F02 D09D 8E65 99D5 2A01 799E 2919 24B3 C2E9
uid [ expired] Zentyal Commercial Repository <
blorente@zentyal.com>
/etc/apt/trusted.gpg.d/zentyal-qa.asc
-------------------------------------
pub rsa2048 2012-09-07 [SC]
FFFF 8A63 82DC 816C 277B 935E 8E92 29F7 E23F 4777
uid [ unknown] Zentyal Release Team <
release-team@zentyal.org>
sub rsa2048 2012-09-07 [E]