UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pfux5wv8uD5qWZXtwemkPXSgZy1aEbISXpi7AehtrgY=' 
WHERE 
  key_id = '28ac4c0e3b2e86a97720b26471a71bb51e3f2b74d69f86d2e5985dddcfe6b344' 
  AND (
    token = 'Pfux5wv8uD5qWZXtwemkPXSgZy1aEbISXpi7AehtrgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )