UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rE4b31hVbtsQlpYlCx0zjzvfPEURxL7shm/s+Mn6ApI=' 
WHERE 
  key_id = '6e72b4d20a61dd1060b91e7d605eee58e37d0ca332405b82d9cc488c16b7970f' 
  AND (
    token = 'rE4b31hVbtsQlpYlCx0zjzvfPEURxL7shm/s+Mn6ApI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )