INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2e56a04a53c72a20aa33af7056bfece490640bf456ad3d0aabc38e034aa380fc', 
    'BQC1WAphVFQUlcjqWHa1nKCGYVKJ1OqSNJmak38JlAE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)