UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j2za4cqJCExzgiKGdjXKIhqu7wN8O9X7oGkDF5FtqdE=' 
WHERE 
  key_id = '4d8b8b5a406725a19a923991b98309f19a867b5f94974b1b93d6163b4aac015c' 
  AND (
    token = 'j2za4cqJCExzgiKGdjXKIhqu7wN8O9X7oGkDF5FtqdE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )