1194 - Table 'sessions' is marked as crashed and should be repaired

delete from sessions where expiry < '1513463808'

[XT SQL Error]

126 - Incorrect key file for table '.\ksc_db\sessions.MYI'; try to repair it

insert into sessions values ('9fmklvm0436ahfj8esvp13kpg3', '1513465248', '')

[XT SQL Error]