UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZWEcEXAphhfjX4omQo9ZvMZM8fg2Dr+EaDoFtdIqQrU=' 
WHERE 
  key_id = 'c6e123d190ea87cdf07abee49c5c8948e1d0b7cd6af5a990e5fcfb3ef82c5757' 
  AND (
    token = 'ZWEcEXAphhfjX4omQo9ZvMZM8fg2Dr+EaDoFtdIqQrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )