UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W8DcRXhY3wTYZvrwDatSbNJ2y8GJ8cjBChVuS7Oh+bc=' 
WHERE 
  key_id = '515458e735d930ec12b590c36608133a186d73eea4f48bf07031ce520d6764da' 
  AND (
    token = 'W8DcRXhY3wTYZvrwDatSbNJ2y8GJ8cjBChVuS7Oh+bc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )