INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6371181d8e4af5116d7af6fa30b997e9f500c92a1954d552157744a5972453c', 
    'tYUONvUzqprq9N6NoLqb2djfl3vhlMzyitKYs0jSrOI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)