UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LCeMj7UdKcXLhSIDOe4F/sMt0AEy1NFFt3XoQ99+p4c=' 
WHERE 
  key_id = 'd939a41426aab6308e7c7a578099ee5f567329779374a2e68d57deec567f19cb' 
  AND (
    token = 'LCeMj7UdKcXLhSIDOe4F/sMt0AEy1NFFt3XoQ99+p4c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )