UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NMcwhUvS6icLZUvNCauFUTdh0jf3lZPDi92sU+sggas=' 
WHERE 
  key_id = '48cff1b67154a527579fe429fe8271ba76f75f27e8cd8e48d8d8ba38a0d851df' 
  AND (
    token = 'NMcwhUvS6icLZUvNCauFUTdh0jf3lZPDi92sU+sggas=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )