UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MR8cSROEfBDr+z2wVDrFeMk8kSekUBV9Y/OazPCzALU=' 
WHERE 
  key_id = '27e11e71164d574c45adad25d69368d908cce8b4b78e4e8f9a3d114ceca5e812' 
  AND (
    token = 'MR8cSROEfBDr+z2wVDrFeMk8kSekUBV9Y/OazPCzALU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )