INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1b4fd75a79eeea9f3c2e1e066276b06e241ed01e1d57adb9851f39a08c615382', 
    '7LQ53ewWkNQ98VSWoM/XVj2EdDCotGYGY2uLqpEym0M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)