INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef4dc3615da961883f521955c991cb4b6f5c82941ca2dcc2bbfc5b1be438f6e6', 
    'vjvvMiPAumW98cVHKbzHim2iN1IWp7ygyMDOB8RDE/s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)