UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KHTNClBliiUDFjOhdPev5bFcrdwWap0SEvNTIEjeTqQ=' 
WHERE 
  key_id = '956358dc8b93fef879b34ea3d5855c3ec5630b27f859e7498638a07f0666752a' 
  AND (
    token = 'KHTNClBliiUDFjOhdPev5bFcrdwWap0SEvNTIEjeTqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )