UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2jPiMHS4SgN6R92uX/lsXDhyUo1jI9xffOz8fjmOjAk=' 
WHERE 
  key_id = '6c93266c8abc8f6e9433829a0bb9304cfcf53f81ff8deab75a6f3d407822d937' 
  AND (
    token = '2jPiMHS4SgN6R92uX/lsXDhyUo1jI9xffOz8fjmOjAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029