UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/MXU3xw1bauyVEHGWdE5p1g6qKyVt9xdgVPGWhWLnf0=' 
WHERE 
  key_id = '6c9032520d2f6a0caa8e84ef500427dbfda71f1b4e0908da2de1535a5d5cf10d' 
  AND (
    token = '/MXU3xw1bauyVEHGWdE5p1g6qKyVt9xdgVPGWhWLnf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )