Driver_Cache_Driver_Database::delete_expired

public function delete_expired()
{
    try
    {
        $this->_handler->where('expire', 0, '>')->where('expire', TIME, '<=')->delete($this->tablename);
        return true;
    }
    catch (Exception $e)
    {
        Core::debug()->error($e->getMessage());
        return false;
    }
}