UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tHgIrn6lhewxUZz0z9qKSUa///oDh3HXSprlNKfOcyU=' 
WHERE 
  key_id = 'e18a5b15bc4b38de2fade03e0ef36860d07b494eff47290f87ff402f6e08577b' 
  AND (
    token = 'tHgIrn6lhewxUZz0z9qKSUa///oDh3HXSprlNKfOcyU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )