diff --git a/README.md b/README.md
index 7495da5..6687df8 100644
--- a/README.md
+++ b/README.md
@@ -99,13 +99,17 @@ Product category: {{ product_category_[1-10] }}.
 
 ## Changelog
 
+### 1.2.1
+
+- Support for PHP 5.6
+
 ### 1.2.0
 
 New feature:
 
 - Changes due to Smaily workflows automation
 - Subdomain field parsed when full url entered
-- Separate url-s to run customer and cart cron.
+- Separate url-s to run customer and cart cron
 - Settings page updated for better user-friendliness
 - Cron tokens auto generated and url-example now dynamic
 - Optimized newsletter subscribe form to use in left/right column of your webpage
@@ -117,13 +121,13 @@ Bugfix:
 
 - Abandoned cart didn't erase email fields that were previously sent
 - Customer cron did't get new state of unsubscribed customers before synchronizing with Smaily
-- Rss-feed did't show discount and price correctly with taxes.
+- Rss-feed did't show discount and price correctly with taxes
 
 ### 1.1.0 - 2019
 
-- New Feature. Added Abandoned cart support.
-- Changed admin page behaviour when API credentials allready validated.
+- New Feature. Added Abandoned cart support
+- Changed admin page behaviour when API credentials allready validated
 
 ### 1.0.0 - 2018
 
-- This is the first public release.
+- This is the first public release
diff --git a/controllers/front/SmailyCartCron.php b/controllers/front/SmailyCartCron.php
index 7181533..08a609a 100644
--- a/controllers/front/SmailyCartCron.php
+++ b/controllers/front/SmailyCartCron.php
@@ -153,7 +153,7 @@ private function abandonedCart()
      * @param integer $id_cart      Cart ID
      * @return void
      */
-    private function updateSentStatus(int $id_customer, int $id_cart)
+    private function updateSentStatus($id_customer, $id_cart)
     {
         $sql = 'INSERT INTO ' . _DB_PREFIX_ . 'smaily_cart (id_customer, id_cart, date_sent)
                 VALUES (' . $id_customer . ', ' . $id_cart . ', CURRENT_TIMESTAMP)';
diff --git a/smailyforprestashop.php b/smailyforprestashop.php
index 0444182..9b5b9be 100644
--- a/smailyforprestashop.php
+++ b/smailyforprestashop.php
@@ -32,7 +32,7 @@ public function __construct()
     {
         $this->name = 'smailyforprestashop';
         $this->tab = 'advertising_marketing';
-        $this->version = '1.2.0';
+        $this->version = '1.2.1';
         $this->author = 'Smaily';
         $this->need_instance = 0;
         $this->ps_versions_compliancy = array(
@@ -172,7 +172,7 @@ public function getContent()
             $customer_cron_token = pSQL(Tools::getValue('SMAILY_CUSTOMER_CRON_TOKEN'));
             $customer_cron_token = trim(Tools::stripslashes($customer_cron_token));
             if (empty($customer_cron_token)) {
-                $customer_cron_token = bin2hex(random_bytes(6));
+                $customer_cron_token = uniqid();
             }
 
             // Syncronize additional.
@@ -207,7 +207,7 @@ public function getContent()
             $cart_cron_token = pSQL(Tools::getValue('SMAILY_CART_CRON_TOKEN'));
             $cart_cron_token = trim(Tools::stripslashes($cart_cron_token));
             if (empty($cart_cron_token)) {
-                $cart_cron_token = bin2hex(random_bytes(6));
+                $cart_cron_token = uniqid();
             }
             // Abandoned cart Autoresponder
             $cart_autoresponder = pSQL((Tools::getValue('SMAILY_CART_AUTORESPONDER')));
@@ -266,13 +266,13 @@ public function getContent()
         if (false != Configuration::get('SMAILY_CUSTOMER_CRON_TOKEN')) {
             $customer_cron_token = pSQL(Configuration::get('SMAILY_CUSTOMER_CRON_TOKEN'));
         } else {
-            $customer_cron_token =  bin2hex(random_bytes(6));
+            $customer_cron_token =  uniqid();
         }
         // Get cart cron token or generate random string when not set.
         if (false != Configuration::get('SMAILY_CART_CRON_TOKEN')) {
             $cart_cron_token = pSQL(Configuration::get('SMAILY_CART_CRON_TOKEN'));
         } else {
-            $cart_cron_token = bin2hex(random_bytes(6));
+            $cart_cron_token = uniqid();
         }
         // Get abandoned cart autoresponder values for template.
         $cart_autoresponder_for_template = pSQL((Configuration::get('SMAILY_CART_AUTORESPONDER')));
@@ -377,7 +377,7 @@ public function logToFile($filename, $response)
      * @param string $method    'GET' or 'POST' method.
      * @return array $response  Response from smaily api.
      */
-    public function callApi(string $endpoint, array $data, string $method = 'GET')
+    public function callApi($endpoint, array $data, $method = 'GET')
     {
         // Smaily api credentials.
         $subdomain = pSQL(Configuration::get('SMAILY_SUBDOMAIN'));