UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k3wBh9cPuxr7eRIzVgyOJSSQXqaPLxaTSH8HvP2sVXQ=' 
WHERE 
  key_id = 'dfb508c1f1c66d13564eaa6ad2d54c23a108b225ddf2ab706d842b91d71ec525' 
  AND (
    token = 'k3wBh9cPuxr7eRIzVgyOJSSQXqaPLxaTSH8HvP2sVXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )