UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M3u8qCfmQeo1MwvlHbjKfISefT/wtFrJIKfo5RYK2do=' 
WHERE 
  key_id = 'b243f41fae418a668d40024f73b6e5ab5ea1ee0c4caa9793cf27a57bb58ea3d5' 
  AND (
    token = 'M3u8qCfmQeo1MwvlHbjKfISefT/wtFrJIKfo5RYK2do=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )