UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cUhpCPI/kwZ8iekER6bqKx6PyQ2hzexUWRM2h2fvmVQ=' 
WHERE 
  key_id = 'a27e58b8f747667db7ca05d0d8e7accff4cdcd925233afb3556131899d24f510' 
  AND (
    token = 'cUhpCPI/kwZ8iekER6bqKx6PyQ2hzexUWRM2h2fvmVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )