UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G5fj4q7uPphIG4ChloLkf1IBtJ+tTTWhjYKom/y8km0=' 
WHERE 
  key_id = 'd4b15d109b61af12a32508d5a63832948f990cec6766c874a66f5659a17f3b5b' 
  AND (
    token = 'G5fj4q7uPphIG4ChloLkf1IBtJ+tTTWhjYKom/y8km0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )