UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'po076cT2xbnO17xYEAbViTipONWVIWdAzm2wOj881DU=' 
WHERE 
  key_id = '2b2594e577b025f030625646eacfb1184a6ee3e73d75c89d2fe24919b990f051' 
  AND (
    token = 'po076cT2xbnO17xYEAbViTipONWVIWdAzm2wOj881DU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )