UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mVQZkvi8b69z55/XaR4q8RcMQPpMFS5IaRnHWYNZEAY=' 
WHERE 
  key_id = '50c882a137ac2b9902bd2a9d04a479b32ea45eeede8a61b82bfafbaeedbe2788' 
  AND (
    token = 'mVQZkvi8b69z55/XaR4q8RcMQPpMFS5IaRnHWYNZEAY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )