UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2OTk1Cwz2mHXaStOaHFVwDt4HFDqKBEbHUZlToq7n4g=' 
WHERE 
  key_id = '938e2b21c57cd36df3d34ea64347742f781fbe11b02887e4c542ad58173b2f99' 
  AND (
    token = '2OTk1Cwz2mHXaStOaHFVwDt4HFDqKBEbHUZlToq7n4g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )