INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e6b3b973009173eb7b1bdd4451cf7edf308b28d0f4b86de43dcd3457279d3fe2', 
    'H8NpBLpfTTd0ZVm+sZ3geOZvDkC0EptjLLyiox+VMNc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)