There’s nothing wrong with the alignment of the row.
What are misaligned are the two tables inside the rows.
Compare:
<!--START OF EMAIL BODY --> <table cellpadding="0" cellspacing="0" border="0" width="600" align="center"> <!-- LOGO AND SOCIAL MEDIA --> <table cellpadding="0" cellspacing="0" border="0" width="600" bgcolor="#FFFFFF">
One of them is centred. The other is left aligned.
solved HTML table not rendering as expected