diff --git a/Cron/CheckLockFiles.php b/Cron/CheckLockFiles.php
new file mode 100644
index 0000000..fc63cdd
--- /dev/null
+++ b/Cron/CheckLockFiles.php
@@ -0,0 +1,86 @@
+
+ * @copyright 2021 Walkthechat
+ *
+ * @license See LICENSE.txt for license details.
+ */
+
+namespace Walkthechat\Walkthechat\Cron;
+
+/**
+ * Class CheckLockFiles
+ *
+ * @package Walkthechat\Walkthechat\Cron
+ */
+class CheckLockFiles
+{
+ /**
+ * @var \Magento\Framework\Filesystem
+ */
+ protected $filesystem;
+
+ /**
+ * @var integer
+ */
+ const LOCK_FILE_MINUTES = 30;
+
+ /**
+ * CheckLockFiles constructor.
+ * @param \Magento\Framework\Filesystem $filesystem
+ */
+ public function __construct(
+ \Magento\Framework\Filesystem $filesystem
+ )
+ {
+ $this->filesystem = $filesystem;
+ }
+
+ /**
+ *
+ * @throws \Magento\Framework\Exception\CronException
+ * @throws \Exception
+ */
+ public function execute()
+ {
+ $directory = $this->filesystem->getDirectoryWrite(\Magento\Framework\App\Filesystem\DirectoryList::VAR_DIR);
+
+ if ($directory->isExist(\Walkthechat\Walkthechat\Cron\ProcessQueue::QUEUE_LOCK_FILE_NAME_LOCKED)) {
+ $stat = $directory->stat(\Walkthechat\Walkthechat\Cron\ProcessQueue::QUEUE_LOCK_FILE_NAME_LOCKED);
+
+ if (isset($stat['ctime']) && $stat['ctime'] < (time() - self::LOCK_FILE_MINUTES * 60)) {
+ try {
+ $directory->renameFile(\Walkthechat\Walkthechat\Cron\ProcessQueue::QUEUE_LOCK_FILE_NAME_LOCKED, \Walkthechat\Walkthechat\Cron\ProcessQueue::QUEUE_LOCK_FILE_NAME_UNLOCKED);
+ } catch (\Magento\Framework\Exception\FileSystemException $e) {
+ throw new \Magento\Framework\Exception\CronException(__('Unable to unlock the walkthechat queue.'));
+ }
+ }
+ }
+
+ if ($directory->isExist(\Walkthechat\Walkthechat\Cron\SyncImages::SYNC_IMAGES_LOCK_FILE_NAME_LOCKED)) {
+ $stat = $directory->stat(\Walkthechat\Walkthechat\Cron\SyncImages::SYNC_IMAGES_LOCK_FILE_NAME_LOCKED);
+
+ if (isset($stat['ctime']) && $stat['ctime'] < (time() - self::LOCK_FILE_MINUTES * 60)) {
+ try {
+ $directory->renameFile(\Walkthechat\Walkthechat\Cron\SyncImages::SYNC_IMAGES_LOCK_FILE_NAME_LOCKED, \Walkthechat\Walkthechat\Cron\SyncImages::SYNC_IMAGES_LOCK_FILE_NAME_UNLOCKED);
+ } catch (\Magento\Framework\Exception\FileSystemException $e) {
+ throw new \Magento\Framework\Exception\CronException(__('Unable to unlock the walkthechat sync images.'));
+ }
+ }
+ }
+
+ if ($directory->isExist(\Walkthechat\Walkthechat\Cron\SyncInventory::LOCK_FILE_NAME_LOCKED)) {
+ $stat = $directory->stat(\Walkthechat\Walkthechat\Cron\SyncInventory::LOCK_FILE_NAME_LOCKED);
+
+ if (isset($stat['ctime']) && $stat['ctime'] < (time() - self::LOCK_FILE_MINUTES * 60)) {
+ try {
+ $directory->renameFile(\Walkthechat\Walkthechat\Cron\SyncInventory::LOCK_FILE_NAME_LOCKED, \Walkthechat\Walkthechat\Cron\SyncInventory::LOCK_FILE_NAME_UNLOCKED);
+ } catch (\Magento\Framework\Exception\FileSystemException $e) {
+ throw new \Magento\Framework\Exception\CronException(__('Unable to unlock the walkthechat inventory.'));
+ }
+ }
+ }
+ }
+}
diff --git a/etc/crontab.xml b/etc/crontab.xml
index 7f9e333..df1ba54 100755
--- a/etc/crontab.xml
+++ b/etc/crontab.xml
@@ -13,5 +13,8 @@
0 * * * *
+
+ */5 * * * *
+