UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z9BA0crx/HZilN9Qyv9yGeiD5Ai09dGiC6EjUtplkso=' 
WHERE 
  key_id = '4683454b3f0c427eaed6b70490ca08de97fa5dfac6eef6873d0e901caf81366e' 
  AND (
    token = 'z9BA0crx/HZilN9Qyv9yGeiD5Ai09dGiC6EjUtplkso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )