UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ChAzgWzuKmkOWl05MVyEwNhG1psfRbMCSYi7wxqTadc=' 
WHERE 
  key_id = 'ace3ba01fec241f7d65968e2616ce43bd66d0624943d969c2a2b887920c4eb5a' 
  AND (
    token = 'ChAzgWzuKmkOWl05MVyEwNhG1psfRbMCSYi7wxqTadc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )