diff --git a/Migrations/Migration20211206112100.php b/Migrations/Migration20211206112100.php
new file mode 100644
index 0000000..f209760
--- /dev/null
+++ b/Migrations/Migration20211206112100.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * @copyright 2021 WebStollen GmbH
+ * @link https://www.webstollen.de
+ */
+
+namespace Plugin\ws5_mollie\Migrations;
+
+use JTL\Plugin\Migration;
+use JTL\Update\IMigration;
+
+class Migration20211206112100 extends Migration implements IMigration
+{
+    public function up()
+    {
+
+        $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` DROP INDEX `cOrderId`;');
+        $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` DROP INDEX `kBestellung`;');
+        $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` ADD UNIQUE( `kBestellung`, `cOrderId`);');
+
+    }
+
+    public function down()
+    {
+        $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` DROP INDEX `kBestellung`;');
+        $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` ADD UNIQUE(`kBestellung`);');
+        $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` ADD UNIQUE(`cOrderId`);');
+
+    }
+
+    public function getDescription(): string
+    {
+        return 'Fix UNIQUE Index on Orders-Table.';
+    }
+}
diff --git a/info.xml b/info.xml
index d6428a9..b74ccc2 100644
--- a/info.xml
+++ b/info.xml
@@ -7,8 +7,8 @@
     <XMLVersion>102</XMLVersion>
     <ShopVersion>5.0.0</ShopVersion>
     <PluginID>ws5_mollie</PluginID>
-    <CreateDate>2021-12-03</CreateDate>
-    <Version>1.3.3</Version>
+    <CreateDate>2021-12-06</CreateDate>
+    <Version>1.3.4</Version>
     <ExsID>689388c6-9f04-4648-b516-e67d96b0dc1d</ExsID>
     <Install>
         <Hooks>
diff --git a/lib/Checkout/AbstractCheckout.php b/lib/Checkout/AbstractCheckout.php
index 611e1f5..74f0405 100644
--- a/lib/Checkout/AbstractCheckout.php
+++ b/lib/Checkout/AbstractCheckout.php
@@ -518,7 +518,7 @@ public static function sendReminders(): void
             return;
         }
 
-        $remindables = Shop::Container()->getDB()->executeQueryPrepared("SELECT kId FROM xplugin_ws5_mollie_orders WHERE (dReminder IS NULL OR dReminder = '0000-00-00 00:00:00') AND dCreated < NOW() - INTERVAL :d MINUTE AND cStatus IN ('created','open', 'expired', 'failed', 'canceled')", [
+        $remindables = Shop::Container()->getDB()->executeQueryPrepared("SELECT kId FROM xplugin_ws5_mollie_orders WHERE (dReminder IS NULL OR dReminder = '0000-00-00 00:00:00') AND dCreated > NOW() - INTERVAL 7 DAY AND dCreated < NOW() - INTERVAL :d MINUTE AND cStatus IN ('created','open', 'expired', 'failed', 'canceled')", [
             ':d' => $reminder
         ], 2);
         foreach ($remindables as $remindable) {
diff --git a/lib/Queue.php b/lib/Queue.php
index 1d8bed6..d2144e8 100644
--- a/lib/Queue.php
+++ b/lib/Queue.php
@@ -68,7 +68,7 @@ private static function getOpen(int $limit): Generator
         if (!defined('MOLLIE_HOOK_DELAY')) {
             define('MOLLIE_HOOK_DELAY', 3);
         }
-        $open = Shop::Container()->getDB()->executeQueryPrepared("SELECT * FROM xplugin_ws5_mollie_queue WHERE (dDone IS NULL OR dDone = '0000-00-00 00:00:00') AND `bLock` IS NULL AND (cType LIKE 'webhook:%%' OR (cType LIKE 'hook:%%') AND dCreated < DATE_SUB(NOW(), INTERVAL :hd MINUTE)) ORDER BY dCreated DESC LIMIT 0, :LIMIT;", [
+        $open = Shop::Container()->getDB()->executeQueryPrepared("SELECT * FROM xplugin_ws5_mollie_queue WHERE (dDone IS NULL OR dDone = '0000-00-00 00:00:00') AND `bLock` IS NULL AND (cType LIKE 'webhook:%%' OR (cType LIKE 'hook:%%' AND dCreated < DATE_SUB(NOW(), INTERVAL :hd MINUTE))) ORDER BY dCreated DESC LIMIT 0, :LIMIT;", [
             ':LIMIT' => $limit,
             ':hd'    => MOLLIE_HOOK_DELAY
         ], 2);