UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '42zfmHB10L7RklSyUljVVMSe8V5ZMvpaTxxXE2sxd6Y=' 
WHERE 
  key_id = '83775607541e29878538b780230d46ad6b75183acdaf1bcc216645dd51ced114' 
  AND (
    token = '42zfmHB10L7RklSyUljVVMSe8V5ZMvpaTxxXE2sxd6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )