UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pu7ptk2o5deURHALUAb0UmkHkx1wIevpnyqCUVsHvDQ=' 
WHERE 
  key_id = '6eb3383aed221106861e7d47f769c7085108f4d95342617e4fd10cf7cd59bad8' 
  AND (
    token = 'pu7ptk2o5deURHALUAb0UmkHkx1wIevpnyqCUVsHvDQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )