INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91421be48d7c56efba729bdd30162b240926f44f541d17f0f6693cc21014fc27', 
    '5CEwFZRBF4VIWFatA9nfZGCAKbCcwoD6K5sebGmOhKk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)