UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C3rrg9OYqUyaaRlJc2sOCKaXptgiDILCkYalUOVqZ+s=' 
WHERE 
  key_id = '8b4c647dcfd8f61cee22874dcd329d948b8bee517f02d7bafeeeb378fd12c0d2' 
  AND (
    token = 'C3rrg9OYqUyaaRlJc2sOCKaXptgiDILCkYalUOVqZ+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )