INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6eafbc0b2be840d313f7df9a9605971acba947d29b447f5af39a57a9bb1d34a', 
    'ZB1iLkj7dwX8uvIeUewkLtEYKKq8iUihtWEuH8G4M60=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)