UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cRP2aWEyJEp103+OmpQMIkAbdpjcgbml2E3/QQAoPOE=' 
WHERE 
  key_id = '2103aee11ce505fb8cb5492762397703385718d889d62e8b1337b25842636136' 
  AND (
    token = 'cRP2aWEyJEp103+OmpQMIkAbdpjcgbml2E3/QQAoPOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )