UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zDejygWwpCph6qfsymKb7o5QMqksr5v7bMIsh0OxST0=' 
WHERE 
  key_id = '439b39826c3c9efa53174bd2a33a8c204d7dd50f02c46c2f8c90befe4449861d' 
  AND (
    token = 'zDejygWwpCph6qfsymKb7o5QMqksr5v7bMIsh0OxST0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )