UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1eriw415Hb2+emf01VcNzenlZFpdajbYOfGsn+uee+w=' 
WHERE 
  key_id = '9dd0a1b592ebe544e8696d64c7f6b2ea71e77e29df3f49d57018a9c824c75f53' 
  AND (
    token = '1eriw415Hb2+emf01VcNzenlZFpdajbYOfGsn+uee+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )