UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BlRVqd7CnfVVHCiaXZIxVcaZ0TAOIvBbZqRx3gDi+fE=' 
WHERE 
  key_id = '68403a94b4ba2ff8309f4b60b27911c26326f14f4cfc5431b88c216061eb411f' 
  AND (
    token = 'BlRVqd7CnfVVHCiaXZIxVcaZ0TAOIvBbZqRx3gDi+fE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )