UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B3xoYGfq0Br8RdjpLvceFr/eXgeiOW9P5/ZL8jTcuy8=' 
WHERE 
  key_id = '3c52ac648a04ed2fe4020b982ce260404645a273b3bda0afde3273bc2439ed53' 
  AND (
    token = 'B3xoYGfq0Br8RdjpLvceFr/eXgeiOW9P5/ZL8jTcuy8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )