UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'euiB89+70aLU/+519qKCNAIeMK6hW8vKrTaoe1OR1gY=' 
WHERE 
  key_id = '69d139cb5d35d7a13e4b51547f653cdb5ad0c642487e4f4c81a2f2c050e9f361' 
  AND (
    token = 'euiB89+70aLU/+519qKCNAIeMK6hW8vKrTaoe1OR1gY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )