UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NZka1UTp0CtaywQ7Seoo7/vRM++GIkN4inf7DZ8ecCo=' 
WHERE 
  key_id = '5f64643ff973d8bd807a12012181e9becbd9269d1cb03aef4116143db964a397' 
  AND (
    token = 'NZka1UTp0CtaywQ7Seoo7/vRM++GIkN4inf7DZ8ecCo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )