UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5z/8lNuK0O7ACftMmtjIdku1r4jHMgbWIfYnQDDPgCw=' 
WHERE 
  key_id = '498610cd6ac0e73bbec6860e489b7bd5de23c721c07168323b42c5dff8c7663d' 
  AND (
    token = '5z/8lNuK0O7ACftMmtjIdku1r4jHMgbWIfYnQDDPgCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )