UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//xt4r0D5GoM5KEt3FK+9e2rg6+FJxuCBiz24eqXWew=' 
WHERE 
  key_id = 'a299ecde50bd1f4aba1645946b64920edc038cc9e1fe0c849c70d179d47b8ad7' 
  AND (
    token = '//xt4r0D5GoM5KEt3FK+9e2rg6+FJxuCBiz24eqXWew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )