UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+qZDNVdZyOnWg5ZLrj1f/fbSt88iljXoVcgYItPsw/k=' 
WHERE 
  key_id = '81f5e5c8f81d15dec89f4249967f3859ae2e1379995c0e8df66233541d784a64' 
  AND (
    token = '+qZDNVdZyOnWg5ZLrj1f/fbSt88iljXoVcgYItPsw/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )