UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'atU3hopr1S3i7qvNdgbokacoLh4la6WGkiHOPochYcU=' 
WHERE 
  key_id = '108f85568c8d16c798b911cac83920816bf09689d4b1a47038db90e6a22473e7' 
  AND (
    token = 'atU3hopr1S3i7qvNdgbokacoLh4la6WGkiHOPochYcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )