UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4/2rpt+8jXvAljw/S0juv0a8XH9NlLtUMiuc4rLDRPc=' 
WHERE 
  key_id = 'f139971c8448062a3dcf37c65fd6b7a64f4d20d0302d4956ac522c884f2363ff' 
  AND (
    token = '4/2rpt+8jXvAljw/S0juv0a8XH9NlLtUMiuc4rLDRPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )