Also adjust the expiration of PublicKeyTokenProvider

Signed-off-by: Joas Schilling <coding@schilljs.com>

lib/private/Authentication/Token/PublicKeyTokenProvider.php

@@ -80,7 +80,7 @@ class PublicKeyTokenProvider implements IProvider {
 			throw new InvalidTokenException();
 		}
 
-		if ($token->getExpires() !== null && $token->getExpires() !== 0 && $token->getExpires() < $this->time->getTime()) {
+		if ((int)$token->getExpires() !== 0 && $token->getExpires() < $this->time->getTime()) {
 			throw new ExpiredTokenException($token);
 		}
 
@@ -94,7 +94,7 @@ class PublicKeyTokenProvider implements IProvider {
 			throw new InvalidTokenException();
 		}
 
-		if ($token->getExpires() !== null && $token->getExpires() < $this->time->getTime()) {
+		if ((int)$token->getExpires() !== 0 && $token->getExpires() < $this->time->getTime()) {
 			throw new ExpiredTokenException($token);
 		}