UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lWzdxU27wTqTwz/30R9OU26jahF/pv/dFfaFx21acNw=' 
WHERE 
  key_id = '84683c442ebd8d3e299e0d6ab65447c37579438c3fe56e574c9e455edb4f074b' 
  AND (
    token = 'lWzdxU27wTqTwz/30R9OU26jahF/pv/dFfaFx21acNw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )