UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u/2kUwk1+Bt0Hc0EpIhYn1+WSDklz83I703ujDdo3wU=' 
WHERE 
  key_id = '16d2bc46371da3fe1f162dc79bd227681919ed6a1e938d960c99649c93029153' 
  AND (
    token = 'u/2kUwk1+Bt0Hc0EpIhYn1+WSDklz83I703ujDdo3wU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )