UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NU8ZfdpLX6EGRUqhXHuW/d+t9qgVcLnhnGq6D0y8/qw=' 
WHERE 
  key_id = '6d8ed4c2d8a19b1995e9c4c5e3f02b862a06705bfea5a59bcdebdc75cd87c4e5' 
  AND (
    token = 'NU8ZfdpLX6EGRUqhXHuW/d+t9qgVcLnhnGq6D0y8/qw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )