INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a2f50fdca5cb3ace06b31c23323368e9a43b05883f95b378c12f3920aaf57c', 
    '4HuXsdG28P6lbjvKZVi0a76DwoXMiG2RmYgsY/voCeY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)