UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xaWv4XTAJcb7C0PlWu+ep2JX0V57DtDwXhGfS83nOWA=' 
WHERE 
  key_id = '435dc8e5dac4c6bdc6868a4f4c498570cffdad79434803e2387bf5fd597a66ee' 
  AND (
    token = 'xaWv4XTAJcb7C0PlWu+ep2JX0V57DtDwXhGfS83nOWA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )