UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jNkaWXU5zFcdlxsQA4gTMwGqcxTtvIjxplgmER6frfE=' 
WHERE 
  key_id = 'd12bbd7e6a56bb264836f5e5c86c422cf841d6d6ed62fd9fc7956415cb5e0703' 
  AND (
    token = 'jNkaWXU5zFcdlxsQA4gTMwGqcxTtvIjxplgmER6frfE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )