UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yq6feBTGxjKpDv1Tt73KI977Vyn8EJqDUpkFauHjAmk=' 
WHERE 
  key_id = 'c28049b5e745f60d73f826feef96d1b7817089863dd9176245484b3d3a942a2f' 
  AND (
    token = 'Yq6feBTGxjKpDv1Tt73KI977Vyn8EJqDUpkFauHjAmk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )