UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UgOnW1QcMMzomz+JejOHXkhKYFWyi97KOrxbU3i/uFI=' 
WHERE 
  key_id = '668aaec4f6ae0df5c19790882cfd41fe2313192febeffa0367941184e9eebee3' 
  AND (
    token = 'UgOnW1QcMMzomz+JejOHXkhKYFWyi97KOrxbU3i/uFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )