UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ULwBX6ZGLprQyGh/40AmpRnFm9eTVhn9x1LpVuETLF0=' 
WHERE 
  key_id = '8547cda18485556345d692b713f9080c5804c5639e4933969b39a9daa4a73e72' 
  AND (
    token = 'ULwBX6ZGLprQyGh/40AmpRnFm9eTVhn9x1LpVuETLF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )