UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BLfyWSGo1myt29BIpF/g8fcMaGGCHJVMsAdzanHTi5Q=' 
WHERE 
  key_id = '51c916aa7965341cd6612a890bbfb50648ff27b4fef0844759f20d135a1b9910' 
  AND (
    token = 'BLfyWSGo1myt29BIpF/g8fcMaGGCHJVMsAdzanHTi5Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )