UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'inqFeGz1atSNbgFe6NRS1vpDk18jJdRmMp0qEkL1juc=' 
WHERE 
  key_id = '8aec3fc971906dea6bfbca113906a0169591b66c3f93cd4f23142e4419a3113d' 
  AND (
    token = 'inqFeGz1atSNbgFe6NRS1vpDk18jJdRmMp0qEkL1juc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )