[{"_id":"61842e6fb19afbc0922f5505","locales":[{"lang":"ru","title":"Тестовый десерт","description":"тестовый"},{"lang":"lv","title":"Testu deserts","description":"Testu descriptions"},{"lang":"en","title":"Test dessert","description":"Test description"}]},{"_id":"61842e6fb19afbc0922f5506","locales":[{"lang":"de","title":"Тестовый десерт","description":"тестовый"},{"lang":"lv","title":"Testu deserts","description":"Testu descriptions"},{"lang":"en","title":"Test dessert","description":"Test description"}]}]

db.collection.update({_id:"61842e6fb19afbc0922f5505","locales.lang":"ru"},{"$set":{"locales.$":{title:"title",description:"desription",price:23}}})