UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K/PI+cq+NzKv0mRr0Vg70lmCgU0eHpO29lUjZuzkGNU=' 
WHERE 
  key_id = 'c47d3afbe9939d123bd140a51c8b0b590cb784d19b4a84ea582e509b7460e270' 
  AND (
    token = 'K/PI+cq+NzKv0mRr0Vg70lmCgU0eHpO29lUjZuzkGNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )