INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c839fda99713c283b270d69c92be8aae8b9ef15ca7212d26a2971a944961e0a3', 
    'f6Q2RThfaUfVGMatMVHE2xRlefOnvOME272rV6zbY/k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)