UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UP58meMCX89YjdaK8bfM3yvg4dxE0ZRjwy35SThbJno=' 
WHERE 
  key_id = '319b817a8a4dba9b76b6a6d1f57c24b7d2e88d9cf5942128b7c7be1da50d6e4a' 
  AND (
    token = 'UP58meMCX89YjdaK8bfM3yvg4dxE0ZRjwy35SThbJno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )