INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'fe2e90923824e607164d0d5820b768253a8d83069e17630c29f9eb1fb5e1c6c5', 
    'iyvOKMajrs7z16HgODhVbY3y6EhYWcXi1IwIiDBw1qk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00070

Result

int(1)