diff --git a/app/Services/Payments/PurchaseProvisioner.php b/app/Services/Payments/PurchaseProvisioner.php
index 9217590..03b231b 100755
--- a/app/Services/Payments/PurchaseProvisioner.php
+++ b/app/Services/Payments/PurchaseProvisioner.php
@@ -743,7 +743,7 @@ final class PurchaseProvisioner
          * prevents provider supplied identifiers from creating unusual
          * lock names.
          */
-        $lockName = 'sd:'.hash('sha256', $name);
+        $lockName = 'sd:'.substr(hash('sha256', $name), 0, 61);
 
         $row = DB::selectOne(
             'SELECT GET_LOCK(?, ?) AS acquired',