UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yD5tei+57CFfrLjR7orUvN6hbpaErGIZxZftxAuEl1k=' 
WHERE 
  key_id = 'e889c3dbd6aa3a11fcfd2c9417196e9c206e8edf7f18e2206359df07f02505bb' 
  AND (
    token = 'yD5tei+57CFfrLjR7orUvN6hbpaErGIZxZftxAuEl1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )