update `products`
set `content` = replace(`content`, '<img alt="" src="/filecache/e3c55a5bb1b984566c01ae38e83fb04a.jpg" style="border: 0px; margin: 0px; padding: 0px;" border="0">', '')
"<img alt="" src="/filecache/e3c55a5bb1b984566c01ae38e83fb04a.jpg" style="border'
на строке 1