UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gch0dnw/pRVrV1q4iloCKpNV3CPtBFa7rqwLw0VrmTk=' 
WHERE 
  key_id = '51a852a78ff966086cb135f104117086780ac9fa32e6dcf08b68ec792bd5e32c' 
  AND (
    token = 'gch0dnw/pRVrV1q4iloCKpNV3CPtBFa7rqwLw0VrmTk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )