INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39a3793643ace505dfcfe771a45ba2939a64203ce1777b4e404f9880d829f88c', 
    'gtWWpezfrB7jCIosJP59p+Ml3Lx5c9nUiL5scl/Dl+E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)