UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MGuX60MaNvLfu56pcPhUb0L90sFUFKTFfhiYvshCc4=' 
WHERE 
  key_id = '8026de40332b2084a41babc6d6a5fa45814b63a3b6710e9175b19394f6b26a38' 
  AND (
    token = '6MGuX60MaNvLfu56pcPhUb0L90sFUFKTFfhiYvshCc4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )