UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2x0omrI/Vwtttg0VH6w6zZ8KktcCDAeATLr65NPCvQ=' 
WHERE 
  key_id = '50c41cca5124397e9c1164b37ec7d9ac34c8abee750b1685ba008c817a1301fc' 
  AND (
    token = 'R2x0omrI/Vwtttg0VH6w6zZ8KktcCDAeATLr65NPCvQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )