function getToken()
{
srand((double) microtime() * 1000000);
$token = md5(uniqid(rand()));
$phraseObj = new Phrase();
$phraseObj->setStringLengthRange(5, 7);
$validateKey = $phraseObj->getPhrase();
$timestamp = time();
$this->db->query("INSERT INTO {$this->table['cap']} SET session_id='{$token}', validate_key='{$validateKey}', timestamp='{$timestamp}'");
return $token;
}