UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N2+aEzaoG+L1ls2irJgr8UvzHWwK1DFaimiILt6rghQ=' 
WHERE 
  key_id = '198ab23750647bda7dac359f87df461297af1e8b0346b7a725fdaa0d790c6968' 
  AND (
    token = 'N2+aEzaoG+L1ls2irJgr8UvzHWwK1DFaimiILt6rghQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )