UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r+MfgheY1Fa6G2ReXWS4iBbRVbX0ibbXBD8+7nunfLE=' 
WHERE 
  key_id = '2666cc84d60a7cad77d963a1b381d68980f87f25a29c1d93cd3026a03ef15ad2' 
  AND (
    token = 'r+MfgheY1Fa6G2ReXWS4iBbRVbX0ibbXBD8+7nunfLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )