UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+ZM1e/z+TqV8Gom5QfVJ7XE3+P/MhpjfJ5SyUpWSLM=' 
WHERE 
  key_id = '3ac343ffe264620f482459b43541207f0be87300d1ce883f83de757fe79feb3d' 
  AND (
    token = 'U+ZM1e/z+TqV8Gom5QfVJ7XE3+P/MhpjfJ5SyUpWSLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )