UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '54FkoZOY6TWiXiWQcHyY86NgOj7o5t0m2S/QPRONX+8=' 
WHERE 
  key_id = '538a58c526c36d6c4a96c5e9ab3239391f1dfb24d56ec901f6b9f177c1858398' 
  AND (
    token = '54FkoZOY6TWiXiWQcHyY86NgOj7o5t0m2S/QPRONX+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )