UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QTcxDkI0LlU9uKE1bxnpZLYg0RDW7nTDsLCS36FYMjY=' 
WHERE 
  key_id = '83e27ddfe3dfb9350df59370622326b7dcbad60935437f028b151ae7841de298' 
  AND (
    token = 'QTcxDkI0LlU9uKE1bxnpZLYg0RDW7nTDsLCS36FYMjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )