UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HMxKYb9wQVTQ6bSNLG7esHRkmqd4NfVw0Xb5VGjITrI=' 
WHERE 
  key_id = '41df5b3ef6be2e48a7c56da9b919bfb54f32660438a513e76d58a2ca9808f233' 
  AND (
    token = 'HMxKYb9wQVTQ6bSNLG7esHRkmqd4NfVw0Xb5VGjITrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )