UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/OiTxzz9zSZmfBe00JJgpbTGmTl4+gLSUCmZZP62k/Q=' 
WHERE 
  key_id = '9f9c19c65b2b4f52bedfa8c5f34947fe8724a97c2c37134d1d04171fa62d1480' 
  AND (
    token = '/OiTxzz9zSZmfBe00JJgpbTGmTl4+gLSUCmZZP62k/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )