UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5Qz1riLahAldkMzzFKDjS81NjEugCeDkoQCvauGM+xg=' 
WHERE 
  key_id = 'ad9bc68021bd0a7eb408e1ac2da22ed2c584fd750750086bf78092b132cdae7d' 
  AND (
    token = '5Qz1riLahAldkMzzFKDjS81NjEugCeDkoQCvauGM+xg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )