UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wDHFiHgtHWXbiMWXakWa8mfu3BSrv00Z0BPaNs+ijaE=' 
WHERE 
  key_id = 'c79a423943984a2d9999e5a32261cf55f34c5b5bcac0f770f5a3301a8f4358a6' 
  AND (
    token = 'wDHFiHgtHWXbiMWXakWa8mfu3BSrv00Z0BPaNs+ijaE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )