UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mzdi8b7jJcwwZq16At8If9+ye7vOwF9OcQxloRWjEss=' 
WHERE 
  key_id = '235ead6323d1f47a236561db44f54afab1413767de5c2c6b174ba82e7a385da0' 
  AND (
    token = 'mzdi8b7jJcwwZq16At8If9+ye7vOwF9OcQxloRWjEss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )