UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g/Xtezg7m5W7aMWxzfEVRpVDl1v/s8sqxAPoM9K5YFs=' 
WHERE 
  key_id = '27d4ed40b247d6cca946431b8d0d92613252689cf0c5eea59942c63d6ab7a00e' 
  AND (
    token = 'g/Xtezg7m5W7aMWxzfEVRpVDl1v/s8sqxAPoM9K5YFs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )