UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XtIim8PeUwE+p5fFSFi2kZCkgVg5FTGkyBusFW423A0=' 
WHERE 
  key_id = '6d31641719fb64df7263f0975a99297c46e15488496aff741cd64e0448dc1019' 
  AND (
    token = 'XtIim8PeUwE+p5fFSFi2kZCkgVg5FTGkyBusFW423A0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )