UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vk1preqdYoi0v0OaFId0P/tqLU52eYKZOH317vQgOi8=' 
WHERE 
  key_id = 'b374328479515a41c2f346e7e28f7ca3e47dbec804271165c8f7b35b4039e284' 
  AND (
    token = 'Vk1preqdYoi0v0OaFId0P/tqLU52eYKZOH317vQgOi8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )