2013 Lost connection to MySQL server during query
in:
[update banners_history set banners_shown = banners_shown +1 where banners_id = '0' and date_format(banners_history_date, '%Y%m%d') = date_format(now(), '%Y%m%d')]

in:
[select count(*) as total from sessions where sesskey = '487aqk33pavcp96a5vgm1vtlk5']