UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DvWiUAVF6r9OEBq9+oCpNb/a+pIp9rUOXA7WT9gOyxE=' 
WHERE 
  key_id = '29a51b295b74d58f8b17b1cff13d7b52279450325a7bde56a5fc662f94db7e04' 
  AND (
    token = 'DvWiUAVF6r9OEBq9+oCpNb/a+pIp9rUOXA7WT9gOyxE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )