UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jfU0E57wFvxleXHWz4TSCbl7g2Fdy9AVnyFHQycv6cU=' 
WHERE 
  key_id = '86be32d13447ca5a80339e7930d264b2801a36cf802834385e9a796c73660283' 
  AND (
    token = 'jfU0E57wFvxleXHWz4TSCbl7g2Fdy9AVnyFHQycv6cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )