UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8ayzN4xIddLSk325sSRW+f7nuz5nIltm5gGnGw6maWc=' 
WHERE 
  key_id = '652a11dca0d47f290716164f020c6b8ebe10b31b09a40bf09db3bed1ae9cd944' 
  AND (
    token = '8ayzN4xIddLSk325sSRW+f7nuz5nIltm5gGnGw6maWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )