UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GCbAt2lA8Nm1jTDMLI4bkBZWwjwZyRNRzNs0vs5NuKU=' 
WHERE 
  key_id = 'fdfe8396b1e069d01403baf74c9757acbe9455d43961d4f071cf4fb087e1140c' 
  AND (
    token = 'GCbAt2lA8Nm1jTDMLI4bkBZWwjwZyRNRzNs0vs5NuKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )