UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vFCs0p0gyOv+v5VGzghgOqUY21z2CEzNPMg4xzeiW3U=' 
WHERE 
  key_id = 'a6b681b01f8083145590f746390a21247433b0dc26b9e1147937873d723611b4' 
  AND (
    token = 'vFCs0p0gyOv+v5VGzghgOqUY21z2CEzNPMg4xzeiW3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )