UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SYgHxP5oPhMleIw2SlxVFaaKCXrBKREsJTDrX7KOLyM=' 
WHERE 
  key_id = 'c5f7c16bf1d324867427f7c8349354ac269e270693942d4c2321dc77bfb523db' 
  AND (
    token = 'SYgHxP5oPhMleIw2SlxVFaaKCXrBKREsJTDrX7KOLyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )