diff --git a/core/lib/Drupal/Core/Cache/DatabaseBackend.php b/core/lib/Drupal/Core/Cache/DatabaseBackend.php
index 5e829ed..f7c7744 100755
--- a/core/lib/Drupal/Core/Cache/DatabaseBackend.php
+++ b/core/lib/Drupal/Core/Cache/DatabaseBackend.php
@@ -201,22 +201,22 @@ public function setMultiple(array $items) {
    * @see \Drupal\Core\Cache\CacheBackendInterface::setMultiple()
    */
   public function doSetMultiple(array $items) {
-    $values = array();
+    $values = [];
 
-    foreach ($items as $cid => $item) {
-      // Check if maximum expiration settings for cache bin is defined. If set,
-      // enforce an upper limit for the expiration to allow for garbage
-      // collection.
-      $max_expire = isset($this->configuration['max_expire']) ? $this->configuration['max_expire'] + REQUEST_TIME : Cache::PERMANENT;
+    // Check if maximum expiration settings for cache bin is defined. If set,
+    // enforce an upper limit for the expiration to allow for garbage
+    // collection.
+    $max_lifetime = isset($this->configuration['max_lifetime']) ? $this->configuration['max_lifetime'] + REQUEST_TIME : Cache::PERMANENT;
 
+    foreach ($items as $cid => $item) {
       $item += array(
-        'expire' => $max_expire,
+        'expire' => $max_lifetime,
         'tags' => array(),
       );
 
       // If maximum expiration is set, enforce an upper limit on the expiry.
-      if ($max_expire != Cache::PERMANENT && ($item['expire'] == Cache::PERMANENT || $item['expire'] > $max_expire)) {
-        $item['expire'] = $max_expire;
+      if ($max_lifetime != Cache::PERMANENT && ($item['expire'] == Cache::PERMANENT || $item['expire'] > $max_lifetime)) {
+        $item['expire'] = $max_lifetime;
       }
 
       Cache::validateTags($item['tags']);
diff --git a/sites/default/default.settings.php b/sites/default/default.settings.php
old mode 100644
new mode 100755
index 74cef03..4ba1366
--- a/sites/default/default.settings.php
+++ b/sites/default/default.settings.php
@@ -703,5 +703,5 @@
  *   item is requested again.
  */
 $settings['cache_database']['render'] = [
-  'max_expire' => 86400 * 7,
+  'max_lifetime' => 86400 * 7,
 ];