MDL-75010 core: Prevent user last access update on user key login

lib/datalib.php

@@ -1592,6 +1592,11 @@ function user_accesstime_log($courseid=0) {
         return;
     }
 
+    if (defined('USER_KEY_LOGIN') && USER_KEY_LOGIN === true) {
+        // Do not update user login time when using user key login.
+        return;
+    }
+
     if (empty($courseid)) {
         $courseid = SITEID;
     }

lib/moodlelib.php

@@ -3394,6 +3394,11 @@ function update_user_login_times() {
         return true;
     }
 
+    if (defined('USER_KEY_LOGIN') && USER_KEY_LOGIN === true) {
+        // Do not update user login time when using user key login.
+        return true;
+    }
+
     $now = time();
 
     $user = new stdClass();