diff --git a/includes/SSO_Helpers.php b/includes/SSO_Helpers.php
index 34a5418..e07b57b 100644
--- a/includes/SSO_Helpers.php
+++ b/includes/SSO_Helpers.php
@@ -68,7 +68,7 @@ public static function validateToken( $token ) {
 
 		// Validate timeframe
 		$time = array_shift( $parts );
-		if ( ! $time || ( $time + 60 ) < time() ) {
+		if ( ! $time || ( $time + 600 ) < time() ) {
 			return false;
 		}