UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's092ivKfDeVOrmDptTzVExweH/mwpIrftU0lmmSBNP0=' 
WHERE 
  key_id = '51c44a23c96f31e5c1d8b11a81b5b5c291c137ee253e04315972a0b0c9d3dbe2' 
  AND (
    token = 's092ivKfDeVOrmDptTzVExweH/mwpIrftU0lmmSBNP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )