UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GNiTY4bVz6iiph3xQzuM6Clt5cAqKiTOAnEansvliq8=' 
WHERE 
  key_id = 'd027697a03a28a1e278ae2f2d7b1a5b2a4bf7fc93950cb288f39f56fb046f766' 
  AND (
    token = 'GNiTY4bVz6iiph3xQzuM6Clt5cAqKiTOAnEansvliq8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036