UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'exmhg0dh+V2rxK8uymn2aR9yi76LXEpVUIFB5nKrPSI=' 
WHERE 
  key_id = '6ecbe2e9586d2bb497a07248cbbdc8f3a5c4912f1023f08c88e023d7cde34325' 
  AND (
    token = 'exmhg0dh+V2rxK8uymn2aR9yi76LXEpVUIFB5nKrPSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )