UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7rO8rvaGl7L2TWYGxwssgCxj0A2QLsKuQFxEkkF2UPY=' 
WHERE 
  key_id = '81c4df3f5b212010300b97ff812c4b22e8c73a073ace6d89f20ca56ad5624ee7' 
  AND (
    token = '7rO8rvaGl7L2TWYGxwssgCxj0A2QLsKuQFxEkkF2UPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )