DB Query for Updating Drupal Date Fields

query.sql

update profile_values p
set value = concat( "a:3:{s:5:\"month\";s:", length( date_format( 
str_to_date( p.value, "%m/%d/%y" ) , "%c" ) ) , date_format( 
str_to_date( p.value, "%m/%d/%y" ) , ":\"%c\";s:3:\"day\";s:" ) , 
length( date_format( str_to_date( p.value, "%m/%d/%y" ) , "%e" ) ) , 
date_format( str_to_date( p.value, "%m/%d/%y" ) , 
":\"%e\";s:4:\"year\";s:4:\"%Y\";}" ) )
WHERE p.value LIKE '%/%/%'
AND p.fid
IN (65);