UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rXpCrNye2UFqxGzLQeLq2pxPCVZU1YrfKmZvCXiSKTA=' 
WHERE 
  key_id = '28ad6cd9e5358c91befb408ffa612be64b4f50170dd9c167b69b08c295b6ea77' 
  AND (
    token = 'rXpCrNye2UFqxGzLQeLq2pxPCVZU1YrfKmZvCXiSKTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )