UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '71XEuvmsnGWOS2dSfJUXpO0hy5S9IPgFM5Nyq7U1T/w=' 
WHERE 
  key_id = 'e4f20d3c207dfa1ebb945a3309ad3ef663b6f987a2736bba2f3ee665f2f7c8d3' 
  AND (
    token = '71XEuvmsnGWOS2dSfJUXpO0hy5S9IPgFM5Nyq7U1T/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )