UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9P2xHilVsrEVP0MtO6EKMtBF5gwlcetp9QBNxXmqwZo=' 
WHERE 
  key_id = '94812e9c6ffc07e86bcdf0e3eed18955d9f482f0e15ac29933ecc2cf28b6a2a3' 
  AND (
    token = '9P2xHilVsrEVP0MtO6EKMtBF5gwlcetp9QBNxXmqwZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )