UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2C4m2JvIL17DiEgz1HLlQrnkTGO7NjLYy0riMK6BhKY=' 
WHERE 
  key_id = '87c9102923bcd22f032f195ee419031da20f3498ad8efe8480f66e008b4e0679' 
  AND (
    token = '2C4m2JvIL17DiEgz1HLlQrnkTGO7NjLYy0riMK6BhKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )