INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f81c5ec8ed3985f00f441eb0c826d5c76594c086136bbd4b9cd38701ec3f48b', 
    'hRnsBsfRa52aePCrqPfXub8eTZLcDKYRgR8tCjA5zQo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)