UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k4eNShWQjgkvAfs6RsFLjkebDLAZ0+uC1Sbd9/xUpls=' 
WHERE 
  key_id = '4b0a030334d89f5bf9b05d9276cbc043474c55ccdeb71e59e9a8299bb347d483' 
  AND (
    token = 'k4eNShWQjgkvAfs6RsFLjkebDLAZ0+uC1Sbd9/xUpls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )