UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gLZ41kR5ur9l87766YZr49nuEbGfFC6WXLGgM6m4vgM=' 
WHERE 
  key_id = '81a5d4fc5ff00bcad094abd4bd15b228535f3497e9ad93799a0cee19974f1b29' 
  AND (
    token = 'gLZ41kR5ur9l87766YZr49nuEbGfFC6WXLGgM6m4vgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )