give lock preference to the new instance

js/routes.js

@@ -77,7 +77,7 @@ angular
   var timeout = config.wallet.idleDurationMin * 60 || 300;
   $idleProvider.idleDuration(timeout); // in seconds
   $idleProvider.warningDuration(20); // in seconds
-  $keepaliveProvider.interval(5); // in seconds
+  $keepaliveProvider.interval(2); // in seconds
 })
 .run(function($rootScope, $location, $idle) {
   $idle.watch();