UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rhqRM3QZquymhEfrMXnc9I8Imqx/SMNIjd7SydUsFTo=' 
WHERE 
  key_id = 'cac9040dbf584b55b4ef2303b548b1bfb21470a01b9491755b6468df3ebe0880' 
  AND (
    token = 'rhqRM3QZquymhEfrMXnc9I8Imqx/SMNIjd7SydUsFTo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )