UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd91aOoIEvdMi7IaFNJLayQaQ9NMa2megdeNSpYHD2Do=' 
WHERE 
  key_id = '81b2b158c3547ddbdcc03aff01111bae378b63ea52756dc62bfb10d6279b95e0' 
  AND (
    token = 'd91aOoIEvdMi7IaFNJLayQaQ9NMa2megdeNSpYHD2Do=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )