diff --git a/VERSION b/VERSION
index f5eb630..402900e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.2307.112200
+0.2307.112211
diff --git a/src/Security/CSRFP.php b/src/Security/CSRFP.php
index b2ac4c6..3addb56 100644
--- a/src/Security/CSRFP.php
+++ b/src/Security/CSRFP.php
@@ -12,7 +12,7 @@ use Index\Serialisation\Serialiser;
  */
 class CSRFP {
     private const TOLERANCE = 30 * 60;
-    private const EPOCH = 1682985600;
+    private const EPOCH = 1575158400;
     private const HASH_ALGO = 'sha3-256';
 
     private const TIMESTAMP_LENGTH = 4;
@@ -74,7 +74,7 @@ class CSRFP {
      * @return bool true if the token is valid, false if not.
      */
     public function verifyToken(string $token, int $tolerance = -1, int $time = -1): bool {
-        if($tolerance === 0)
+        if($tolerance === 0 || empty($token))
             return false;
         if($tolerance < 0)
             $tolerance = $this->tolerance;