UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'slhh/UUuf5VfO3X5orNte3nQ0w/cx5fi0PHRhlEf5YU=' 
WHERE 
  key_id = 'fe9f763b8558e3eabea4dacd9c1689cae1eef54fb2765e3feaecf16c061b794a' 
  AND (
    token = 'slhh/UUuf5VfO3X5orNte3nQ0w/cx5fi0PHRhlEf5YU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )