UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kn9V381lgiytJnE2kc5GcHqdXWdDXmgRNRQQJTjMV7Q=' 
WHERE 
  key_id = '6f27c312a3ee12b40d1be9165a0082f5f906ec50ab6f330c1a8ba945441a190b' 
  AND (
    token = 'kn9V381lgiytJnE2kc5GcHqdXWdDXmgRNRQQJTjMV7Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )