UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ohl8kr7sej6FiS2CEX1IVKImrPiwrPdcXxmxKHnozdY=' 
WHERE 
  key_id = 'c64df9bc287a89eb9516bef94a6701c733a532524f75b4de05160b936179eda0' 
  AND (
    token = 'Ohl8kr7sej6FiS2CEX1IVKImrPiwrPdcXxmxKHnozdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )