INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51b04027028236fbe40bdffd172d099eac10b6763de1256e2497e9533c5e89cc', 
    'BDx3KlZtTk4Rzpd9OA7IWjoaovUfjBO5gGwieWC6aa4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)