UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cg7nyZSazhQfDdRzs02vJjmmeU0acY2iwt8vipexwns=' 
WHERE 
  key_id = '4faa0698a2df24a2bef052817a9ae676996ea63a41fe9af57256dbb1806f2829' 
  AND (
    token = 'Cg7nyZSazhQfDdRzs02vJjmmeU0acY2iwt8vipexwns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )