UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6bDTqxj7s2d95+tqkeGIdBrNXNjyF9+pjOM1/r9dWDI=' 
WHERE 
  key_id = '3c9c2de797d09eb9cbeca9b9a6dba400622b306c751afb278243abe154761d95' 
  AND (
    token = '6bDTqxj7s2d95+tqkeGIdBrNXNjyF9+pjOM1/r9dWDI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )