Don't kick users that have already been kicked

Author: noplanman

CHANGELOG.md

@@ -9,6 +9,7 @@ Exclamation symbols (:exclamation:) note something of importance e.g. breaking c
 ### Deprecated
 ### Removed
 ### Fixed
+- Only kick users that haven't already been kicked.
 ### Security
 
 ## [0.7.0] - 2020-10-04

src/Helpers.php

@@ -118,6 +118,7 @@ public static function handleExpiredActivations(): void
             FROM " . TB_USER . "
             WHERE `joined_at` < (NOW() - INTERVAL {$expiry_time_in_s} SECOND)
               AND `activated_at` IS NULL
+              AND `kicked_at` IS NULL
         ");
         foreach ($users_to_kick as $user_to_kick) {
             self::kickUser((int) $user_to_kick['id']);