UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lrbzfl40zdbHgAi3U387tD1eStj1gZRj7RVPJfpkgOA=' 
WHERE 
  key_id = '75ec285f21eed86e5c0365eb21dacd1bf4e84a6de1dd630b6da88512eef0e902' 
  AND (
    token = 'Lrbzfl40zdbHgAi3U387tD1eStj1gZRj7RVPJfpkgOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )