UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c4MHSR1GZHzzzyqZVRCUmv9AsUkOXGp6iFXm87Ck/VQ=' 
WHERE 
  key_id = '79521bbce0e46817d7cc24479978e7d7830f28e0e8d61ebf35d40251768bee68' 
  AND (
    token = 'c4MHSR1GZHzzzyqZVRCUmv9AsUkOXGp6iFXm87Ck/VQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )