INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6305918ebc9fc21162602616273cb878bafa939a7102de53976196aa8aa90d1', 
    'yF1UYESjcuhdWRoTh28AHWuE5mDPTA9GvDeIuRw3OUw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)