UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gETeF2oFzNfZtUbbTTw4lcBvkqyM1vOVP9Ls0cDrdA=' 
WHERE 
  key_id = '8b51720fba058813ece7e16c56f12515d0f51edab3547f016d99f817e38b9443' 
  AND (
    token = '6gETeF2oFzNfZtUbbTTw4lcBvkqyM1vOVP9Ls0cDrdA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )