UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UrQsydEdj7Enaw1NXFLQ9UgeCFKgD8QLrcUKBI4dXII=' 
WHERE 
  key_id = '476c9f89ee9ad8294259f4810fca52269c43cedd964a68e04297612f20c9520f' 
  AND (
    token = 'UrQsydEdj7Enaw1NXFLQ9UgeCFKgD8QLrcUKBI4dXII=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )