UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9dSe5W6mj2yL0sOEmeLs4iEr9aL0Ef0I2DZBYb3kziI=' 
WHERE 
  key_id = '20b5717a05aa0c0b08734405a7004e8033577f47f4b331f6222f2dff6f6f7ace' 
  AND (
    token = '9dSe5W6mj2yL0sOEmeLs4iEr9aL0Ef0I2DZBYb3kziI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )