UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xnKl/XEwDwo8Xv6noOlBKKQwJfnMYYSOCD+/OYYLu5w=' 
WHERE 
  key_id = '77cefaf6e11375636cc433824f5342c41c8482500e0d3a73a8505a5f3ced0d14' 
  AND (
    token = 'xnKl/XEwDwo8Xv6noOlBKKQwJfnMYYSOCD+/OYYLu5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )