UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rAkTZnpmVm74FOllCFnXOXuihnbLBW36idaUndkNR+Q=' 
WHERE 
  key_id = '4594b79bcd17268babad64e1c445448642553b6df0389784694bedcffd814038' 
  AND (
    token = 'rAkTZnpmVm74FOllCFnXOXuihnbLBW36idaUndkNR+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )