UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XGG5Qyik4Ou+3PbOfziemk7wLdQVrbrf3/IFQ3IT3oM=' 
WHERE 
  key_id = '7904e536b3a669f30a5c15f6c4f65f5097f3b80abbf5c18e65f722020c965238' 
  AND (
    token = 'XGG5Qyik4Ou+3PbOfziemk7wLdQVrbrf3/IFQ3IT3oM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )