UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NkV6/Fiq5568fSVAiczLxQxQgs3MXaS4zGPu5gvKv2w=' 
WHERE 
  key_id = 'a6829d41d9e01d03d00cc446fed96e16486f5c0f8e0299253cb70d014800a181' 
  AND (
    token = 'NkV6/Fiq5568fSVAiczLxQxQgs3MXaS4zGPu5gvKv2w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )