UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T5/+Ixxh/T5AYnYOs6aKarHH8+FKm4GXsM7FmC6XGkc=' 
WHERE 
  key_id = '5966971402b5bc807007b24a4a6f9bed0b420825ae2e6616517b9a31c4104798' 
  AND (
    token = 'T5/+Ixxh/T5AYnYOs6aKarHH8+FKm4GXsM7FmC6XGkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )