UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kU27LiT4Yu4kVr6a3KZNSY9HnwV4GJQC8n5XRRdv2sE=' 
WHERE 
  key_id = '47953d7d58e17cbba9b8d512ce11a32f1fc132e79aa279510d465741a559d6c4' 
  AND (
    token = 'kU27LiT4Yu4kVr6a3KZNSY9HnwV4GJQC8n5XRRdv2sE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )