diff --git a/assets/php/utils.php b/assets/php/utils.php
index c332f0c..b5e2ad1 100644
--- a/assets/php/utils.php
+++ b/assets/php/utils.php
@@ -26,7 +26,7 @@ function connect_user($user_id, $long_expiration = true)
     global $PDO, $SESSION_COOKIE_NAME, $MAX_COOKIE_LIFE;
 
     // Set an expiration delay for the cookie
-    $delay = 0;
+    $delay = 86400;
     if ($long_expiration === true) {
         $delay = $MAX_COOKIE_LIFE;
     }
@@ -39,24 +39,17 @@ function connect_user($user_id, $long_expiration = true)
     $query = $PDO->prepare($sql);
 
     $query->bindValue(":user_id", $user_id);
-    if ($long_expiration === true) {
-        $query->bindValue(
-            ":connection_eol",
-            date('Y-m-d H:i:s', strtotime(
-                "$MAX_COOKIE_LIFE seconds",
-                strtotime(date("Y-m-d H:i:s"))
-            ))
-        );
-    } else {
-        $query->bindValue(":connection_eol", null, PDO::PARAM_INT);
-    }
+    $query->bindValue(
+        ":connection_eol",
+        date('Y-m-d H:i:s', strtotime("now + $delay seconds")), PDO::PARAM_STR
+    );
     $query->bindValue(":session_id", $session_id);
 
     if ($query->execute()) {
         return setcookie(
             $SESSION_COOKIE_NAME,
             $session_id,
-            $delay,
+            time() + $delay,
             $secure = true
         );
     }
@@ -67,7 +60,7 @@ function clean_old_sessions()
 {
     global $PDO;
 
-    $sql = "DELETE FROM sessions WHERE connection_eol > CURRENT_TIMESTAMP();";
+    $sql = "DELETE FROM sessions WHERE connection_eol < CURRENT_TIMESTAMP();";
     $query = $PDO->prepare($sql);
     return $query->execute();
 }