UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mc4C47spExKjRypMcAlipkRRSZnLxS5c9oilzNuAAi0=' 
WHERE 
  key_id = '6f59a613ea34fe976fdcc66109192168cbb86e647dc078d802a48df847d02c4e' 
  AND (
    token = 'Mc4C47spExKjRypMcAlipkRRSZnLxS5c9oilzNuAAi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )