UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mus4g81LXvezCsT2ndLdZu1kmkacJDtdAYESp9tOG8g=' 
WHERE 
  key_id = '81487624f077870963ceab190a8b3d08339a1bc4e33fd249e56b26a20e7c86c9' 
  AND (
    token = 'mus4g81LXvezCsT2ndLdZu1kmkacJDtdAYESp9tOG8g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )