UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n261lMT8ntIymlloyFrbPvB0UnDeGqEhB0l6al16AoA=' 
WHERE 
  key_id = '6d2a8860a9b55e0e916e5a32e82a819f3a2d0360ffbde1221029fd18904673e1' 
  AND (
    token = 'n261lMT8ntIymlloyFrbPvB0UnDeGqEhB0l6al16AoA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )