INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '88ac266388d3b35169b15dbc62123ca00b21068a20cdba19403c2c7df78a6e28', 
    'GDjV3QR3vzLQBdkKKGssmrqQy7VMk4vG9R8rcWt42pA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)