I set AzureADPolicy by
New-AzureADPolicy -Definition @('{"TokenLifetimePolicy":{"Version":1,"AccessTokenLifetime":"00:10:00","MaxInactiveTime":"00:10:30","MaxAgeSessionSingleFactor":"00:11:00"}}') -DisplayName "PolicyScenario" -IsOrganizationDefault $true -Type "TokenLifetimePolicy"
and AccessTokenLifetime is work, my access token expires in 600, buy MaxInactiveTime is not work, I also can get access token after 15 minute
Thanks for answer