UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u3nPk0EyAHyAMRnPi5U0mKbNPevi3tvkuxWaYMKI1tw=' 
WHERE 
  key_id = '40a738b8f50cd65321316afdc2e945368520799384a76ab9cb5dc3269c78f192' 
  AND (
    token = 'u3nPk0EyAHyAMRnPi5U0mKbNPevi3tvkuxWaYMKI1tw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )