UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NrvRd0aeEp8v3ObuefyzRvtDA6HhTZRucuRLD3DWDc0=' 
WHERE 
  key_id = '27f8a6d3517ec4e12a23fd83edb786054745082c2af457d8a3962dc194c6216c' 
  AND (
    token = 'NrvRd0aeEp8v3ObuefyzRvtDA6HhTZRucuRLD3DWDc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )