UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajMuDYQE3gzJHYrE43oAfk/cij5AICIzqyj3ulYDde8=' 
WHERE 
  key_id = '81e1caf474f3beca222b51483dcfc394d008b0e7484b5c7dd3dfcc14e0a2b93d' 
  AND (
    token = 'ajMuDYQE3gzJHYrE43oAfk/cij5AICIzqyj3ulYDde8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )