UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tj25TPdB/46KxRj8LRANu2Er1jEVlooQZMB94v8axPQ=' 
WHERE 
  key_id = '51a28e91fb62ca173200a211fcd1e92b2f05a32d02abf62445bd8744c1619216' 
  AND (
    token = 'Tj25TPdB/46KxRj8LRANu2Er1jEVlooQZMB94v8axPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )