UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3BuhIqo9O61sMPgnV3gLDt9WFkNqPEAL8fS9rfM900c=' 
WHERE 
  key_id = '926e41268a5e8e14672ccde445bdc4e6061edcd0d9397d417b93fd32f74d9863' 
  AND (
    token = '3BuhIqo9O61sMPgnV3gLDt9WFkNqPEAL8fS9rfM900c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )