Interval of 30 days in MYSQL Codeigniter - php

Question

Are these both query same :
SELECT count(site_key) as count_lic FROM (`activation`)
WHERE `site_key` = '36LYRAHK0100000000B6101442Cs' AND `user_id` = '' AND `request_time` = 'BETWEEN NOW() - INTERVAL 30 DAY AND NOW()
SELECT count(site_key) as count_lic FROM (`activation`) WHERE `site_key` = '36LYRAHK0100000000B6101442Cs' AND `user_id` = '' AND `request_time` BETWEEN NOW() - INTERVAL 30 DAY AND NOW()
Can we use 'request_time' = 'BETWEEN.......' ?
I am using PHP Codeigniter and I have done :
function fGetUsedLicenses($site_id) {
//count number of activations without user_id
$this->db->select('count(site_key) as count_lic');
$this->db->where('site_key', $site_id);
$this->db->where('user_id','');
$this->db->where('request_time', 'BETWEEN NOW() - INTERVAL 30 DAY AND NOW()');
$this->db->from('activation');
$query = $this->db->get();
$result = $query->row();
$count = $result->count_lic;
echo $this->db->last_query();
//count number of activations with unique user_id
$this->db->select('count(DISTINCT user_id) as count_lic');
$this->db->where('site_key', $site_id);
$this->db->where('user_id !=','');
$this->db->where('request_time', 'BETWEEN NOW() - INTERVAL 30 DAY AND NOW()');
$this->db->from('activation');
$query = $this->db->get();
$result = $query->row();
$count += $result->count_lic;
var_dump($count);
echo $this->db->last_query();
exit(0);
return $count;
}
Now If I use this way the query generated is 'request_time' 'BETWEEN.....'

Answer 1

You can write it like
->where('request_time BETWEEN NOW() - INTERVAL 30 DAY AND NOW()', "", false);