UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rkw92i+nl2ODh7UlwdWglPMQOeMex+SrbxTjECK6f/I=' 
WHERE 
  key_id = '846e8d2b36986d02fd3c3d9e8384d7418461f7ac433f39c698132d5e3d31fef8' 
  AND (
    token = 'Rkw92i+nl2ODh7UlwdWglPMQOeMex+SrbxTjECK6f/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )