UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3DT/zCypXkapJ4znIi/qVlhgjjANRxKQM6hTU9kThdg=' 
WHERE 
  key_id = '97a5b089cdbfe55f7fcde46696e23510e7843f771c36404f9ab89ef9396a22f7' 
  AND (
    token = '3DT/zCypXkapJ4znIi/qVlhgjjANRxKQM6hTU9kThdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )