UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fjvJpjog4PC6v+A42W2/4U4IHnvefIvrkMQV17Iabyk=' 
WHERE 
  key_id = '91aa01297099d0f1affd606aceca0b43268ac864e24bb38e1fe2b7b4570e5833' 
  AND (
    token = 'fjvJpjog4PC6v+A42W2/4U4IHnvefIvrkMQV17Iabyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )