UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ni93c9OTOV6PIM5cNE1AWInadwY8Gqw6RWE67bMBEEk=' 
WHERE 
  key_id = '6ddba579c69f58c5d9bac80d7c225ae92a55c73da1783e7e43626a68f414a597' 
  AND (
    token = 'Ni93c9OTOV6PIM5cNE1AWInadwY8Gqw6RWE67bMBEEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )