2013 - Lost connection to MySQL server during query

update whos_online set customer_id = '', full_name = 'Guest', ip_address = '18.116.38.95', time_last_click = '1716964352', last_page_url = '/pub/product_info.php?XTCsid=9f9c3c712d91b70db7528723d481c950&info=p50186_2000------.html' where session_id = '9f9c3c712d91b70db7528723d481c950'

[XT SQL Error]

2006 - MySQL server has gone away

select count(*) as total from sessions where sesskey = '9f9c3c712d91b70db7528723d481c950'

[XT SQL Error]