UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KG3s3zhNl8aEoZIv0wdwZD63eUYvGmintrl8ha3IlqU=' 
WHERE 
  key_id = 'b1a4af287c940e92b5452ab03866cc03ab10397dce47efbccce50b93d4c0d647' 
  AND (
    token = 'KG3s3zhNl8aEoZIv0wdwZD63eUYvGmintrl8ha3IlqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )