UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XhKHlVlYxXzDQbWXQFZ22Au6cxpEyicY0Jibvx7yxis=' 
WHERE 
  key_id = '50687e35c2d3d7f7e2a092c63d04a21d96fd994f8c652bcd7ec33106a68522e0' 
  AND (
    token = 'XhKHlVlYxXzDQbWXQFZ22Au6cxpEyicY0Jibvx7yxis=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )