UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kqv+XMC8NDQQpPXo6WBIB6IVUbctuI2mNOpSaoxRbjU=' 
WHERE 
  key_id = '6b12cd09f1c1fc48cdd79479cb1649ab2b3e8a0bf2149d071f102a274f27e733' 
  AND (
    token = 'Kqv+XMC8NDQQpPXo6WBIB6IVUbctuI2mNOpSaoxRbjU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )