UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xL/b/3g6EaimqymfagYTwJWXfwjJCi0bFuZpG9L0geY=' 
WHERE 
  key_id = '609892daa676646b8be84800e7509d9d0635b14e6f9bbeda8492033608eecd03' 
  AND (
    token = 'xL/b/3g6EaimqymfagYTwJWXfwjJCi0bFuZpG9L0geY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )