UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RLm51DHxNnovfur1yJNLbfy0BUvMLLob5ZMhFw5BTIU=' 
WHERE 
  key_id = '28365437fa68ac39fb52b0eb91bee55b6039fab913dbf53c8898c41156f2e2de' 
  AND (
    token = 'RLm51DHxNnovfur1yJNLbfy0BUvMLLob5ZMhFw5BTIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )