UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJxoug8Pv5xggnqSvpImIIgDDYu80A2//lgqg/WSSpA=' 
WHERE 
  key_id = 'cb207196f6f7ef38381e733252143ac0b2f1d8d59f34a4d39c45356176473128' 
  AND (
    token = 'MJxoug8Pv5xggnqSvpImIIgDDYu80A2//lgqg/WSSpA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )