UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ai4t185aVN8VLvdFFGDgQ1redkP//9q/V6v/DhcHyTc=' 
WHERE 
  key_id = 'bf4994d45f7d45992803f8ac64d271a821e7f58d0fe54612353b4789f1326231' 
  AND (
    token = 'ai4t185aVN8VLvdFFGDgQ1redkP//9q/V6v/DhcHyTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )