UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgMcuz+rPW7OTWn7mh558gH5WtbW/PhXkzOeGF3MTLM=' 
WHERE 
  key_id = '31b1457290c400684a4d5a0d362e9f25a7f3f88f695fe27b30b56d92b6a50d6e' 
  AND (
    token = 'MgMcuz+rPW7OTWn7mh558gH5WtbW/PhXkzOeGF3MTLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )