UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fTEMshmdCB/T/HzcRBwXIuWbeWGn8yKYTJStd6KaSH8=' 
WHERE 
  key_id = '545d7611fb1f700e1d85d75ffabafd1f6f423c8846dda6fc544cb6bb6600dec7' 
  AND (
    token = 'fTEMshmdCB/T/HzcRBwXIuWbeWGn8yKYTJStd6KaSH8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )