UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NefjvYJXS+xr4YHNbb7egIAd01bwr5qWG/BpzLt0f4k=' 
WHERE 
  key_id = '66d0dfbb4b649521387e13ef3a6cca24813a8585e46a8e06a703f86dcdc5f478' 
  AND (
    token = 'NefjvYJXS+xr4YHNbb7egIAd01bwr5qWG/BpzLt0f4k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )