UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KZ5XDqjiXaZnuZjDhhLnirTr2T9lLGWhPihGc1APRzw=' 
WHERE 
  key_id = '4a9368d429568f8f7edd8a182d49411f599f615924f86876b018fa2c97f641cf' 
  AND (
    token = 'KZ5XDqjiXaZnuZjDhhLnirTr2T9lLGWhPihGc1APRzw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )