UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y2p83pLsocpVqi6y+P91z0noYSGGWsGv+IlrFmpZlUg=' 
WHERE 
  key_id = '7c5dd2b04b0c102edd8d2ab54d77feda285a0f9074ac816e9c2867ffc076b616' 
  AND (
    token = 'y2p83pLsocpVqi6y+P91z0noYSGGWsGv+IlrFmpZlUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )