UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Okcx/NUjvHJpDXyOy9s0b1+/nrNS1qPOrdpcifTqjPk=' 
WHERE 
  key_id = '6a018f916ca13bff8fd14ffda28cf94fb7a3b8165c068e62db3a3b9408a24221' 
  AND (
    token = 'Okcx/NUjvHJpDXyOy9s0b1+/nrNS1qPOrdpcifTqjPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )