UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k+cOYaMG6tnrdANWOPgFGMvbzeNdVME4TbH1AIrbuWQ=' 
WHERE 
  key_id = 'c6a999917246972d23980dd95308b86247f4218796253df273631f7b9a29ce73' 
  AND (
    token = 'k+cOYaMG6tnrdANWOPgFGMvbzeNdVME4TbH1AIrbuWQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )