UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MWLttjtZLhDqMFmDsTM6gtqtWVt1xDmNXtacUgvPPnI=' 
WHERE 
  key_id = 'e8f0c440f91b74342d400e0dc4c0a6bc6af35a48142600b8f12d25db10fe1deb' 
  AND (
    token = 'MWLttjtZLhDqMFmDsTM6gtqtWVt1xDmNXtacUgvPPnI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )