UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QMztaV3yeTVHwk9eXsZKBu2QaSEhPnpoofiKmSicZl0=' 
WHERE 
  key_id = '2c1e510d3b91af689b298e4a2b959f2e0e1c08c6af166406c722204f11cf3cf2' 
  AND (
    token = 'QMztaV3yeTVHwk9eXsZKBu2QaSEhPnpoofiKmSicZl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )