UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xe3+xxTPjLmC5eRQ8TVCrmloZC58FSIFLZFMA5AbVnA=' 
WHERE 
  key_id = '839906a211c1d3b64068cee719ed408c729a42690e3629807b73654903828a9e' 
  AND (
    token = 'Xe3+xxTPjLmC5eRQ8TVCrmloZC58FSIFLZFMA5AbVnA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )