UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/GgAjjEbRlgxBwIJCUxnvEmIvkAbnmUVkQPQ7uXznJM=' 
WHERE 
  key_id = '520f936815e7b52044f063bfa9d2884036c8ca355d0c14b496abe38d900cb7b0' 
  AND (
    token = '/GgAjjEbRlgxBwIJCUxnvEmIvkAbnmUVkQPQ7uXznJM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )