UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nn5AUhKdaQBQ77EJOREq7v1ZuXPtbod9UGBu2uQR7YM=' 
WHERE 
  key_id = '9951e64ec91213c2c41d899eeeb3d15766050ee2bc49111fcf382a0fd99f7b96' 
  AND (
    token = 'nn5AUhKdaQBQ77EJOREq7v1ZuXPtbod9UGBu2uQR7YM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )