UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vu+g/+MeKcm+E2s6spXHecyx9X+dAz6zkCBN0PrXG1Y=' 
WHERE 
  key_id = '491e9f60ca793db1518c4b7e3f9308c4b9d9c4819eaafb00433caeb44e0197e0' 
  AND (
    token = 'vu+g/+MeKcm+E2s6spXHecyx9X+dAz6zkCBN0PrXG1Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )