UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4fG4dGjHmORptz2uPzHpE9EHtyH3xUmCQuQ3v0xUlyc=' 
WHERE 
  key_id = '525160ccf11aeb9aecb66e11b30f5f421d520b2ed5bfd0fcd3503c1f129b8617' 
  AND (
    token = '4fG4dGjHmORptz2uPzHpE9EHtyH3xUmCQuQ3v0xUlyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )