UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c2pAjXTVOE1tnGHjkJeJRhnbFlXATRGvyao5OmAKNkc=' 
WHERE 
  key_id = '84abdf15f207eb8500d74c20625fc879e802c6f639f608be7923de29b40e67f4' 
  AND (
    token = 'c2pAjXTVOE1tnGHjkJeJRhnbFlXATRGvyao5OmAKNkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )