There are no Licenses in expiring or expired in the vCenter UI License Management Page
vSAN is licensed under VVF with an evaluation license is set to expire in 50 years.
vCenter Server 8.0 Update 3g and lower.
This is a known cosmetic issue with no functional impact to the vCenter with VVF License where VSAN is Licensed with an evaluation License with 50 years validity.
VMware is working to fix this issue and the resolution will be available in the upcoming release.
You may also refer: vSAN license alarm 'vSAN Cluster Claimed Capacity Exceeds Entitlement'