UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aZ5b03XIznaEEvFQa9qrB4IDz7vQj6iIARmxEtA2rdM=' 
WHERE 
  key_id = '8487a9d0c71a1e2e7ba6dcbed972df9fcf22c6e95080b26517f80c475c080d7b' 
  AND (
    token = 'aZ5b03XIznaEEvFQa9qrB4IDz7vQj6iIARmxEtA2rdM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )