UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51VnWTPQMuzNF7xJNmlpVE7Zp8r4wqAYH87ZpPYN9QU=' 
WHERE 
  key_id = '4b0c087df40e1b7864f67ee737880abd285a0ca2bf0cb49cbcd3611fe780ea15' 
  AND (
    token = '51VnWTPQMuzNF7xJNmlpVE7Zp8r4wqAYH87ZpPYN9QU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )