UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MF0X0VS/NWy6Dpu5MhASYaIVoXg6rGuzVrJYnvUHGwE=' 
WHERE 
  key_id = '795dd39f2b6031863636c32407f476421fc75ef2c14909d11850ed27e873d15d' 
  AND (
    token = 'MF0X0VS/NWy6Dpu5MhASYaIVoXg6rGuzVrJYnvUHGwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )