UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gx/idt2SjEIAaN8leCIE7xPNec3qnILN/c5ejcfitfU=' 
WHERE 
  key_id = '92779d405d85553ddb59c53c4f4f60f1f10f9c16ee7634683e2504a9b8d7f647' 
  AND (
    token = 'Gx/idt2SjEIAaN8leCIE7xPNec3qnILN/c5ejcfitfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )