UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '77j9Ep3bSDnS1dg8p7LQ4UJNyqfvmAA7Q8b7CE8BFCk=' 
WHERE 
  key_id = 'b4296b55cd888ece7c904d44e088a487da9e6036eeaf0a3ad5dfe1d92f513164' 
  AND (
    token = '77j9Ep3bSDnS1dg8p7LQ4UJNyqfvmAA7Q8b7CE8BFCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )