UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G9hpVDikdn221sU20qOVIW03fGusKmvYMgARdS34A+c=' 
WHERE 
  key_id = '51f095a83673fa69ef974af553707e9a93719b8cc26f3ba02565d434894706ea' 
  AND (
    token = 'G9hpVDikdn221sU20qOVIW03fGusKmvYMgARdS34A+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )