INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b8ea76778ff033a8d1709c587a5dca8c7afdfd08f8e4b8f22473abc96594a312', 
    'IXJHxQJ7BnP2vbFU4qf6GJSj2J39e2Slgm1N92UHQIE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)