UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tLRwmqrujhj9Txhpmm2ed0w/HOJHA3jEWW2xc686EVk=' 
WHERE 
  key_id = '5391f8118487017ae5c2975915872d19c45945ed4bdf60d6689010533fd4be83' 
  AND (
    token = 'tLRwmqrujhj9Txhpmm2ed0w/HOJHA3jEWW2xc686EVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )