UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f8HkotlyYls/7nfnF9N2nzie2eDcoyE56dwF35zaOvY=' 
WHERE 
  key_id = '3cf53bb186da61bb1a1e028da5a76aa1afb1dad04cd38715ef43c0477ce52b6f' 
  AND (
    token = 'f8HkotlyYls/7nfnF9N2nzie2eDcoyE56dwF35zaOvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )