INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '640e1cf1466c688659bcf93aeefde39563e939969ea0ee521ab8fe27cb22f976', 
    '6XAJF4EPnaL9QFpEqLsAxYLxaWDh/kfKJSLDMWGa8Lk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)