UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cgjsdJD90q9zrA6fE/llcdrcme2+0otkqrRdRBMa9UY=' 
WHERE 
  key_id = '2f587bf831bdc901e7a4cfb4720f79c2f7a674041ac6ca9a43ca3844fbab3df3' 
  AND (
    token = 'cgjsdJD90q9zrA6fE/llcdrcme2+0otkqrRdRBMa9UY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )