UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1EpCkJMRMyd5OKgZLox7zI8g9SVULmK1u6xkVcsVqrQ=' 
WHERE 
  key_id = '3525a9444c91257c39b26be28218510d8c49f4735669e99e114421a7d3cbdfa9' 
  AND (
    token = '1EpCkJMRMyd5OKgZLox7zI8g9SVULmK1u6xkVcsVqrQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )