UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q6MWdCk54nUl6T5HVwMPJTCylNNIZDXVZFxI6AyKT5I=' 
WHERE 
  key_id = '925a4173ad6c1c7ff936f3af6de4c15bb1bf461c069498aebad9ca18007a9ccc' 
  AND (
    token = 'q6MWdCk54nUl6T5HVwMPJTCylNNIZDXVZFxI6AyKT5I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )