UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pF6tZq7QA02zNai7jD4QtmzIkMid4Y7+whBPpLUOFU8=' 
WHERE 
  key_id = '1888bac133553bf464e7e6ad6c203358d52a055c1c73efb0affe567287d89251' 
  AND (
    token = 'pF6tZq7QA02zNai7jD4QtmzIkMid4Y7+whBPpLUOFU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )