UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'stX8zRnNdgZf6vn5w2bOgkFTxw7IvEYWMe8vzEdKAS8=' 
WHERE 
  key_id = '7a4f0529ed1f4a6f63e211d16c9a6c4c5aaa32c53d1b0452db6afa7f431e0464' 
  AND (
    token = 'stX8zRnNdgZf6vn5w2bOgkFTxw7IvEYWMe8vzEdKAS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )