UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kFBjwh4t4/zgOT7SNxx+poVyX4/HqoMNJolxR80RpAI=' 
WHERE 
  key_id = '548578de6b64a9135eb0b1a7c51b1ad816d13bf6919050395901874d4d66b952' 
  AND (
    token = 'kFBjwh4t4/zgOT7SNxx+poVyX4/HqoMNJolxR80RpAI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )