UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uvq/eHcwSkUJUV23sn4rQUMTDbFdXsHF9fseFwQ+1eg=' 
WHERE 
  key_id = '83d7a3879d6a18101257c2a3737576251057cc8e44d3326253a1eacd955c749e' 
  AND (
    token = 'uvq/eHcwSkUJUV23sn4rQUMTDbFdXsHF9fseFwQ+1eg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )