UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Dp/YZn2hDoBrx6iOz8ajb6/F+IDW4atIELSOy+C9zoM=' 
WHERE 
  key_id = 'e7c9ba38830c3a5262d405b9d3e3068633a2e58724d39e7163b6293b2d387a7d' 
  AND (
    token = 'Dp/YZn2hDoBrx6iOz8ajb6/F+IDW4atIELSOy+C9zoM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )