UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rraakals3ziFR7gEtJSZwjfOKpyKqZiKc8pPLWIPnhQ=' 
WHERE 
  key_id = '20b4e3c3675f9644cbaa7a5e8c6cb6eb3baa63ae4c7a936e0fdea2fd6e2de07f' 
  AND (
    token = 'rraakals3ziFR7gEtJSZwjfOKpyKqZiKc8pPLWIPnhQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )