INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b8e1eaad71927fed3ef2a21c996d2f55586c8fc9c729e056adea61517252f10d', 
    'PCrMTb9hUfJVDhhrrDia2/91zXtala5DNBLto2XHnng=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)