INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8511e07d3decdbfa0200b438eb7e4deefc11d1ad09267ec960d1bd492febd3ab', 
    'hNN3EAyPdDEQT1wHfuI7T5ayW5a//tivADdKNGM/+Ys=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)