UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AjIbPmu48eIJ6VFTfAmcGp3Fojm07Ie3RI0N38Lv4dk=' 
WHERE 
  key_id = 'a9535bb351064995f272135544d39dfcfb2576dc7b89876e1460d4cf37da0f3b' 
  AND (
    token = 'AjIbPmu48eIJ6VFTfAmcGp3Fojm07Ie3RI0N38Lv4dk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )