UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qNrw+phjzftlOOlsOeGKaeZQaI0U1cXKKA4MC6ZgyNk=' 
WHERE 
  key_id = '71192c8628bdd06a3f082b1d7549f4f0b8f82406d1b032faf7510f30c99b3b99' 
  AND (
    token = 'qNrw+phjzftlOOlsOeGKaeZQaI0U1cXKKA4MC6ZgyNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )