INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b7357d40e5b76f14e57ae9d72b1acb97bd24750c4d81960102b27b0c2211ae', 
    'EWU0CWVTeJ30SL3HPvVZ6HhfV0VvWssdATK9eXX6yNQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)