UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1XEpDsdMGYrymq9hAkvyzd6rcEPzrRowZdJVQV6D3hs=' 
WHERE 
  key_id = '3ca765b4f4a92a303370f576dbf871745d0e94e12e9ca51da9f47533b1fd0850' 
  AND (
    token = '1XEpDsdMGYrymq9hAkvyzd6rcEPzrRowZdJVQV6D3hs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )