UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7PJznwLlAoq1o+XC8olpVoIDdu3AyyY4yROfD1xH2p4=' 
WHERE 
  key_id = 'af2257c2689e00cbd401b78e5848050c741968e8fb1109e853233d135f2118b4' 
  AND (
    token = '7PJznwLlAoq1o+XC8olpVoIDdu3AyyY4yROfD1xH2p4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )