UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8lp5cX3k7ki7Gn66NWenXuDd85ynUEfxRMwuka3PEiE=' 
WHERE 
  key_id = '18d4c13835ea7e10b4b3c6ca3231a407b504e73ab3666c566f2fa0d59f39b106' 
  AND (
    token = '8lp5cX3k7ki7Gn66NWenXuDd85ynUEfxRMwuka3PEiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )