UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fS/Crb11nTf24c7nd7DQVbtzoOtU+ZYclXY1dcfVHX0=' 
WHERE 
  key_id = '3db57278f3c024ca2a222fee555e1e97fc7af73a6c15afc740db67c90b34cead' 
  AND (
    token = 'fS/Crb11nTf24c7nd7DQVbtzoOtU+ZYclXY1dcfVHX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )