UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QWep+blo4BbnRG4mFQbMcsAw8nNxd0AU59MIA6n2Lv8=' 
WHERE 
  key_id = 'c39d601e15182a912d85830883bba7bf360254d28841cb71176d815a0c841144' 
  AND (
    token = 'QWep+blo4BbnRG4mFQbMcsAw8nNxd0AU59MIA6n2Lv8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )