UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S6Prmt93g1zZXULl0YIEtLUowKqlK0VcW1V6GtT8dGU=' 
WHERE 
  key_id = '6e9c47b25c932096da3ec3de9909df5ac730a1a54efcbc8e22f132fdb8ec6795' 
  AND (
    token = 'S6Prmt93g1zZXULl0YIEtLUowKqlK0VcW1V6GtT8dGU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )