UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w1A5riI+cWPJSjnJBwCsgjS2qFx8dftOzGcBo+zaDvE=' 
WHERE 
  key_id = '82be64cf98dc09cb21aecad484ce653401eb1dbcc210e07593fa21eba01d8d7a' 
  AND (
    token = 'w1A5riI+cWPJSjnJBwCsgjS2qFx8dftOzGcBo+zaDvE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )