UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OU3aHRUMb0ZlTUNjdTwLyxVp5X/GmS/BSkDA1RKVECo=' 
WHERE 
  key_id = '31e0f333290164c51e1f08cff46281276440766cf2d83538938d3878c4a2846e' 
  AND (
    token = 'OU3aHRUMb0ZlTUNjdTwLyxVp5X/GmS/BSkDA1RKVECo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )