$this->db->query("Update tbl_doctors SET dob = AES_ENCRYPT(".$data['dob'].",".$key."), name = AES_ENCRYPT('".$data['name']."',".$key.") where id=".$insertid);
$this->db->query("Update tbl_doctors SET dob = AES_ENCRYPT(".$data['dob'].",".$key.") where id=".$insertid);