UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VLhnTQszzjdlAtqbd8ufleq7JG9lXhMUVcdnaUC7iAM=' 
WHERE 
  key_id = 'ccf504562dff382d8ec9b65a167689b07c924e5b97b4891884810227dd5156f3' 
  AND (
    token = 'VLhnTQszzjdlAtqbd8ufleq7JG9lXhMUVcdnaUC7iAM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )