UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm673xhaT+b1lGzJCveAU8jdRSfKhDTZMFPoaY8NbYRk=' 
WHERE 
  key_id = '68eec826723b838c826de986d31a2cfab65ca61339a13b558d8abaf1e3252994' 
  AND (
    token = 'm673xhaT+b1lGzJCveAU8jdRSfKhDTZMFPoaY8NbYRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )