CREATE PROCEDURE ReceiveChat
    @Sender INT,
    @Receiver INT,
    @ChatID INT,
    @SenderMessage NVARCHAR(80)
AS
BEGIN
    SELECT [dbo].[Chats].*
    FROM [dbo].[Chats]
    WHERE ([Sender] = @Sender) AND ([Receiver] = @Receiver)
      AND ([Chat_ID] = @ChatID)

    INSERT INTO [dbo].[Chats] (Chat)
    VALUES (@SenderMessage)
END

EXEC ReceiveChat 1, 2, 8, 'hello my friend'

Chat_ID - Sender    -Receiver   -Chat_Time    -       Chat :
   9    -  1     -      2   -   2018-07-20  15:58 -  hello my friend ?