UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OKDusZDRmVFXbY85I4gq2OkyVUrjDErQY6cz5aDtsnM=' 
WHERE 
  key_id = '3f0db09bffaea4feee64a746b30a38d04dd74df624a2088162a8c70adac0d568' 
  AND (
    token = 'OKDusZDRmVFXbY85I4gq2OkyVUrjDErQY6cz5aDtsnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )