UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SrD55Iy5iy6LIIFFx6jzx1B3b4P9AUAMT0V/nYTea3k=' 
WHERE 
  key_id = '9d9a18244c991ddacf36e7a80ca30edc988504287b26233be51a3699b14b571e' 
  AND (
    token = 'SrD55Iy5iy6LIIFFx6jzx1B3b4P9AUAMT0V/nYTea3k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )