UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6KYqsS7oeHffVDCLzSiHKPtlLLHpgNvIHqj8PVi5hss=' 
WHERE 
  key_id = '8ab2cfbef55df06cab4462ace28e673b60979c90985f30e41c4ef4e779e66372' 
  AND (
    token = '6KYqsS7oeHffVDCLzSiHKPtlLLHpgNvIHqj8PVi5hss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )