UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DeWQDCvHFVlPTuOs7j6gn+BHnXJBCElTBFoBsXvvOzc=' 
WHERE 
  key_id = '3a5f6347e3fa7948639dccc28dc9f15b9e68be111d20c9c4fd805393d3857432' 
  AND (
    token = 'DeWQDCvHFVlPTuOs7j6gn+BHnXJBCElTBFoBsXvvOzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )