UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yIHPE8Nt5UJgFZf+HGhWw3DTLe+LzXOo+9O2ErholZ8=' 
WHERE 
  key_id = '8ef357f63e2f88e6a08137bc7a74115bdc4b516b696be6b82529080643f5aee7' 
  AND (
    token = 'yIHPE8Nt5UJgFZf+HGhWw3DTLe+LzXOo+9O2ErholZ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )