UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'luJgEY6Y53sqnP035cwchBDaceB1hj+dxq1PE4BFTXg=' 
WHERE 
  key_id = '4a7ef58d8f1900ea9e1532f3191f1d5aa7b776181b7f7c7255b3549967b579a5' 
  AND (
    token = 'luJgEY6Y53sqnP035cwchBDaceB1hj+dxq1PE4BFTXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )