INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0439bd1c21052b7a2bdd054324b15d1dc335a727cb76898ffc60a8e3bdc88816', 
    '4+pR51WCnXMgywFOqRj1bdJHLWwhPpkG8dFcfGRN8qQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)