UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pZ4DH4S1co+tBUJaIlgkqAI+oPvWbjJxJuPuDbKDx3Y=' 
WHERE 
  key_id = 'bd66ce661ebc6093e35996c485e160afac48d1a1e8af337f82ac2bb185681b8d' 
  AND (
    token = 'pZ4DH4S1co+tBUJaIlgkqAI+oPvWbjJxJuPuDbKDx3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )