UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4qdh/niRqlaNBvhOZ7cmoH6e7SXH0aPtImjx2WjEsLs=' 
WHERE 
  key_id = '6b54296e28e88224c7818873b62d9d513faefedacb5b67de2ba507f8886d66f9' 
  AND (
    token = '4qdh/niRqlaNBvhOZ7cmoH6e7SXH0aPtImjx2WjEsLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )