Script to delete credentials

Is my script good. I'm trying to delete credentials(credential manager) when the users password is expirate.

Get-ADUser -Identity "%username%" -properties passwordneverexpires
 If(passwordneverexpires -eq $true) {
 cmdkey /delete:LegacyGeneric:target=MS.Outlook.15:%username%@wsg.nu
}
 Else {
 exit
}