INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '873bf69621e29ec150a037515aaaaf111308e8c87c03d9adc9e65473229bff8a', 
    '50bnbVFvbjSA80iOKVYtJO4g+K1gD3N/ovN0qt3O8B0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)