UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CG8rkDXzXwLl0zJ0A7ck5BsFGdWhwYAc6eI/Wo5ri94=' 
WHERE 
  key_id = 'b6b0850b925441baf96d0d6637fb81b8568f30a695749bff3aa7f78ab6152e02' 
  AND (
    token = 'CG8rkDXzXwLl0zJ0A7ck5BsFGdWhwYAc6eI/Wo5ri94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )