UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f307ql1CDyOMDo40vWOslAFcgGFJajyRAgx5tsEP11I=' 
WHERE 
  key_id = 'da387bb48cb77dc35b72f5eed942db2e48aa837e22f3542e66cbb1750e5fd0d7' 
  AND (
    token = 'f307ql1CDyOMDo40vWOslAFcgGFJajyRAgx5tsEP11I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )