UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WNnBkzzbPxnYHCEp3poxacgvXiSIKD3IR2ubtXm8taU=' 
WHERE 
  key_id = '16ff6a41073f904c1a2841a32c7e2773482992457d4cc2e2d45496052a707077' 
  AND (
    token = 'WNnBkzzbPxnYHCEp3poxacgvXiSIKD3IR2ubtXm8taU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )