UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ulFhbm00b6IZaXeQgC7/paWLvjv/qQWrGwLGm+a8E5c=' 
WHERE 
  key_id = '971c2c876c3c516f2e6baa99031106c336338f2db147ead077538572e1d99052' 
  AND (
    token = 'ulFhbm00b6IZaXeQgC7/paWLvjv/qQWrGwLGm+a8E5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )