INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1512645cee92495805fe8e6672866580c8f5e8e85c0023fdac94ec9b47f1be07', 
    '21RXJZ2ym9iTuhHXP5OCeD775hbbzmKrl7wnvbSg3mQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)