UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4W83FCtbv/J1quMFPoT6XAiTXaIaS5IN59/ryQ6f5Tw=' 
WHERE 
  key_id = '51a1baeacf22ef8412be4642fb20ff1a817f65e929877300a63f6c928d8e2859' 
  AND (
    token = '4W83FCtbv/J1quMFPoT6XAiTXaIaS5IN59/ryQ6f5Tw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )