UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iw1dc840yOwQ0KDkoJ/ibsoKDPJDdjaTQXJXeLAS6YM=' 
WHERE 
  key_id = '79a4c5878ccfe5655c206af84b3e2be727ed9312d63e1f74af91669046a8e7ff' 
  AND (
    token = 'Iw1dc840yOwQ0KDkoJ/ibsoKDPJDdjaTQXJXeLAS6YM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )