UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g7YKM+rCy2ejWb8GTZqGSQuE85v5ge3UYFqK9qrDgEs=' 
WHERE 
  key_id = 'a443eb67a114915d63b886148d0f9d4e646b409767ae975f75867bc8b20bebc0' 
  AND (
    token = 'g7YKM+rCy2ejWb8GTZqGSQuE85v5ge3UYFqK9qrDgEs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )