UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yavOmFuHMCnMOXlmSDIEn+wLbxJAyLSkDfKvRdhDkU=' 
WHERE 
  key_id = '8f7e36b498c1456b78ad79048a56f4c3c36993a897e14e7d2441b92a4f0f7de7' 
  AND (
    token = '6yavOmFuHMCnMOXlmSDIEn+wLbxJAyLSkDfKvRdhDkU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )