UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '442nVgEE4SiEY7EUd/cZ7unflDP3s5KACGFhlJaTqYY=' 
WHERE 
  key_id = 'b9a7423de6e7a15e41ae8a24b53cc6046ae494b857c13351c6ff741fd3abfa68' 
  AND (
    token = '442nVgEE4SiEY7EUd/cZ7unflDP3s5KACGFhlJaTqYY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )