UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E8+uRA2gCHswCfflPTDEYeaLPbJ32PzGMrBKxYiD7KU=' 
WHERE 
  key_id = '5197e31f042a74fc7f333bc0ffae068a1cf354027d222c865b652904829bff17' 
  AND (
    token = 'E8+uRA2gCHswCfflPTDEYeaLPbJ32PzGMrBKxYiD7KU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )