UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cAHlRbEJeyNaLUymVWt1dwfhmEe6mf3fKLmC0cRvjh0=' 
WHERE 
  key_id = '51f240a37d719e65b576faf527174e16c39e01ef437131fe0bebd963a9e08cfb' 
  AND (
    token = 'cAHlRbEJeyNaLUymVWt1dwfhmEe6mf3fKLmC0cRvjh0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )