UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4T6VyCqh2+Vw3c38TtWYZO+ikyzAP4QUL45P1ibYtyw=' 
WHERE 
  key_id = '869b75031a22b75f2b8a3788d7b23d7ad0435930c94519250d76bef58c12fc45' 
  AND (
    token = '4T6VyCqh2+Vw3c38TtWYZO+ikyzAP4QUL45P1ibYtyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )