UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6SfYoVyRyX/tGIkurp6D7BgGq/tfg8RIdtssRlSryJo=' 
WHERE 
  key_id = 'ffad5a58acab88e358ba6829308ff3aa45598d139d93c275e477bba7802f280f' 
  AND (
    token = '6SfYoVyRyX/tGIkurp6D7BgGq/tfg8RIdtssRlSryJo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )