UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AAhqiGdU2zYnQAgZeK+nd4xnmzdmsMCRZss8rwe09MI=' 
WHERE 
  key_id = 'c6f2521c879d2a0691476247966be22ff6371caf68c39c097c06e3d10b58d8b8' 
  AND (
    token = 'AAhqiGdU2zYnQAgZeK+nd4xnmzdmsMCRZss8rwe09MI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )