problem with where clause!!!

[eluser]immi[/eluser]
thanks! I have turned it different way like this

$value = microtime(true) - 2000;
$value = $this->db->escape($value);
$config['total_rows'] = $this->db->query("SELECT * from vid_info where lwatch > $value order by lwatch desc")->num_rows();


Thnx