UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vt1rjkYsFHynXgVE2o64ia4eW4jk1oT7KXhhu8dXfaY=' 
WHERE 
  key_id = '476eab1ace501a5a671636403e6e0091cc8b9321c158ded931fb243c52717233' 
  AND (
    token = 'Vt1rjkYsFHynXgVE2o64ia4eW4jk1oT7KXhhu8dXfaY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )