UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xqjKRJF/dLDHci7QHEHXq6pijhNzMGsyFm74ppurcyQ=' 
WHERE 
  key_id = '8d5539c8309a309ce55681f3dc4cc13f641d7896994c6a91e84bdd7eff26701d' 
  AND (
    token = 'xqjKRJF/dLDHci7QHEHXq6pijhNzMGsyFm74ppurcyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )