UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vzx8ngBz7vWxgcVfVitUrUiAIsHB2EA3IlMIYaAZDmM=' 
WHERE 
  key_id = '79f2e395e86def1ae4353d821767f9d9264805f67c69f8148fddb911847d9efa' 
  AND (
    token = 'vzx8ngBz7vWxgcVfVitUrUiAIsHB2EA3IlMIYaAZDmM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )