INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '857aace30195199d0c1a74607108f116d9b94938881c69d3cc25f176294cd887', 
    'ZCw4fizYBoWIK0COqb1jekJl0JvaIPWWrY9qgNEAgck=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)