UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a7tBBYsmD6pggY/8V3+zuUBn6LgoGebUa32tKOL825M=' 
WHERE 
  key_id = 'f9bc366972f25a19417062ae5b1e2d782b79cfefc7bbeaaecacd9f44406c70d6' 
  AND (
    token = 'a7tBBYsmD6pggY/8V3+zuUBn6LgoGebUa32tKOL825M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )