126 Incorrect key file for table './artsamco_artsamshop09/whos_online.MYI'; try to repair it
in:
[delete from whos_online where time_last_click < '1469307302']

126 : Incorrect key file for table './artsamco_artsamshop09/whos_online.MYI'; try to repair it

delete from whos_online where time_last_click < '1469307302'