UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ChqK6gr7uiqHEdVX80zGsQmTpwr03eOeHPauHbLURHc=' 
WHERE 
  key_id = '8eee88d7f43eff3ce9424c2556d37552b49892712adb2dc4aee09351d4193f70' 
  AND (
    token = 'ChqK6gr7uiqHEdVX80zGsQmTpwr03eOeHPauHbLURHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )