UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'az6c48BRHtgPQkojpphFGTx8+IqJlGiAfgOjHgeRnoU=' 
WHERE 
  key_id = 'a38e647a4ee79bc3340d4884b230db63ac4e0ebae40b8c91e22c0e7df1e0d7e7' 
  AND (
    token = 'az6c48BRHtgPQkojpphFGTx8+IqJlGiAfgOjHgeRnoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )