UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2sPBlru0YmkTAWJ1PupDH1XriJ43i9y0tgmh9svZKus=' 
WHERE 
  key_id = '17c7200dea341810745bdd21c67621d4a2c27882927728c050e80ac77080ce7d' 
  AND (
    token = '2sPBlru0YmkTAWJ1PupDH1XriJ43i9y0tgmh9svZKus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )