UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7d63OLI8DKxn9g0GV37wu5G6XaeTh32jpaCzJqPFkyc=' 
WHERE 
  key_id = '7dc514a88c4e93cf712fb81c66c6152bfa6ead52efa08792f904fdfac537d1f4' 
  AND (
    token = '7d63OLI8DKxn9g0GV37wu5G6XaeTh32jpaCzJqPFkyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )