UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D/M5sGLLCOau6GYg+lutQ0k4Vs9QsNIKJWPUA9FviNc=' 
WHERE 
  key_id = 'f50d27ac9de1d36b78515d0a1ff5e4d8cc95eb39fba16aa92174f153372a53bd' 
  AND (
    token = 'D/M5sGLLCOau6GYg+lutQ0k4Vs9QsNIKJWPUA9FviNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )