UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eLXvYut2yn5XqGp8yexBAhbpD6XyRLIl90sRu3AmDG4=' 
WHERE 
  key_id = '819725e19c22ae2edb59f3b77bd38bb4445615baa180a6825f49be43bd9816bf' 
  AND (
    token = 'eLXvYut2yn5XqGp8yexBAhbpD6XyRLIl90sRu3AmDG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )