UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vVFMntytqGCo/+7pilreEkZafT+u0MTSoUZmdG9VRzc=' 
WHERE 
  key_id = 'a9f79bfe8b92b25090f03a415339d13558aaf44515a614140dc8b3c3946410d2' 
  AND (
    token = 'vVFMntytqGCo/+7pilreEkZafT+u0MTSoUZmdG9VRzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )