UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dW+7PwCt2YdrQuOTnGoGYQTFONYQmdI3ESPmU/LOUPE=' 
WHERE 
  key_id = 'b3734864bb0b68a8a7ed532e2eadd40ff823342ff03d93f8228b5bd26a560197' 
  AND (
    token = 'dW+7PwCt2YdrQuOTnGoGYQTFONYQmdI3ESPmU/LOUPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )