INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b9952bce8895d0257b72631f489748f02615e80819b28283e35f86c89b7af93', 
    '/jVSdCR6JGYd5EGAXY3F3vVVGeubEkYDnkM++v6kNRk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)