UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NG7zPQh3ZKl71Sv0I/+dFYF0Tr0MvjruBwzZiOU0mQo=' 
WHERE 
  key_id = '68291553d13d8c5b62b985f81a9da77b79f1e0decde5e1da4c3ebb0abe7762f7' 
  AND (
    token = 'NG7zPQh3ZKl71Sv0I/+dFYF0Tr0MvjruBwzZiOU0mQo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )