UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxO0bS2xYqBs7yE+RaMcGhkKqzvvCwUTSlsn7+hbWqc=' 
WHERE 
  key_id = 'a941b1df1b8a9fb1f0df08e4f1e7dd0c2719ed3c1152b83dbb4cdbef6ad3b815' 
  AND (
    token = 'PxO0bS2xYqBs7yE+RaMcGhkKqzvvCwUTSlsn7+hbWqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )