UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+th/ht3SCQ4HPvYGY/kn8M9T/l2eR4NPOz8CBwsL/vs=' 
WHERE 
  key_id = 'b51af1510b7fd91c70f7d5263e9806662ca945fecd61664684643e6582e9023d' 
  AND (
    token = '+th/ht3SCQ4HPvYGY/kn8M9T/l2eR4NPOz8CBwsL/vs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )