UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '40RqdeLsME/QXu8hvVGXmGWmfFD4qaxnTqjg7DfvFBk=' 
WHERE 
  key_id = '599cb7caff65a6969a02a71a475a6f7aa3bf49eabcbd5128a5b1f002f0d6d555' 
  AND (
    token = '40RqdeLsME/QXu8hvVGXmGWmfFD4qaxnTqjg7DfvFBk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )