UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BxBy3TH5NpSqTVI56oAp/ZwA2EdDFHaWXe3cCXlgfAo=' 
WHERE 
  key_id = '4c4b1db8b2343c6d77c8d251f4d298cd502d3950450c092278999ff7a9b93b80' 
  AND (
    token = 'BxBy3TH5NpSqTVI56oAp/ZwA2EdDFHaWXe3cCXlgfAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )