UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'elakF70w7V4Lt5XzVkEa/TdVs8wbV4DaoLB1fgdF5dI=' 
WHERE 
  key_id = '8dbe47835426c047ba76b3e83b902d5395f629b636914181616d457836e4401d' 
  AND (
    token = 'elakF70w7V4Lt5XzVkEa/TdVs8wbV4DaoLB1fgdF5dI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )