UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xJZ/T1zWOfPxQtO6e46TdZdhrJFVBDjFbfIO6LZ39kU=' 
WHERE 
  key_id = '768787c4d76e3e63e6488c6bc97ea99342d3c8d65b5e84331287b3fcf9d71f2d' 
  AND (
    token = 'xJZ/T1zWOfPxQtO6e46TdZdhrJFVBDjFbfIO6LZ39kU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )