UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wkmjaSsdogepyBs5Vi+t2WTwaiB+2KsfUAwEcgw+RuI=' 
WHERE 
  key_id = '0be55b72a50c03f61e804c9f6c639799858f918528cdc0b58a1ef113bd3093d5' 
  AND (
    token = 'wkmjaSsdogepyBs5Vi+t2WTwaiB+2KsfUAwEcgw+RuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )