UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vtkf+3tI2CvY6EQ8mx2wTPx495vzeIAzB28EhJG+U98=' 
WHERE 
  key_id = '59dcf109c92891411be2b50f467e8d0b5770caee516e04de027143eba8c2d108' 
  AND (
    token = 'vtkf+3tI2CvY6EQ8mx2wTPx495vzeIAzB28EhJG+U98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )