UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MAuKqG7VMr9fUV76HITU+zRVQpVzXo9QqFifqdPY/uA=' 
WHERE 
  key_id = '0aa46d2c6e86349be4541b1a06fe314bf2e90c37eb6b62dd8e48555257c4b655' 
  AND (
    token = 'MAuKqG7VMr9fUV76HITU+zRVQpVzXo9QqFifqdPY/uA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )