UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xDc1a34lk0wNhTuBiX7jblo92PdZ2mOUsHqEMlGAp1M=' 
WHERE 
  key_id = '6304e403bac5648bcfedd8e60f9ea2968f21c703e460fc25ddecb08efe21960a' 
  AND (
    token = 'xDc1a34lk0wNhTuBiX7jblo92PdZ2mOUsHqEMlGAp1M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )