UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gc0n7pU+PglLWqjS515QLEExPfnIhTRRScFMynyLVyM=' 
WHERE 
  key_id = '8d27a7466e6f5077268075038b9997d449e65b976283d1e18550d1a4f7d9f865' 
  AND (
    token = 'Gc0n7pU+PglLWqjS515QLEExPfnIhTRRScFMynyLVyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )