INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5ce2b49178f69a9d9d87e20c253709dcc8c53c9e9f4b9fccca015499a29b0688', 
    'I2g49F7XP7DwLJsCsk4hjdIDVU7PNYwiKHmhLdkLEqo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)