- `company`, `position`, `gender`, `surname`, `family`, `street_nr1`, `street_nr2`, `zip`, `city`, `country`,
- `phone`, `fax`, `cell`, `email`, `url`, `tax_ident`,
- `status`, `sponsor_created`, `last_online`, `last_change`, `receive_warnings`,
- `points_amount`, `points_used`, `remote_addr`, `warning_interval`, `refid`, `ref_count`
+ `company`,`position`,`gender`,`surname`,`family`,`street_nr1`,`street_nr2`,`zip`,`city`,`country`,
+ `phone`,`fax`,`cell`,`email`,`url`,`tax_ident`,
+ `status`,
+ UNIX_TIMESTAMP(`sponsor_created`) AS `sponsor_created`,
+ UNIX_TIMESTAMP(`last_online`) AS `last_online`,
+ UNIX_TIMESTAMP(`last_change`) AS `last_change`,
+ `receive_warnings`,
+ `points_amount`,`points_used`,`remote_addr`,`warning_interval`,`refid`,`ref_count`