UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1LEzEmmx+ZrN1/k1pzigiW3937KOrhiUJwhZ2qONNBE=' 
WHERE 
  key_id = '5b95934eea1dc628346293daba4a90ba51b8c126a89241406b8cbe9a9698a8f3' 
  AND (
    token = '1LEzEmmx+ZrN1/k1pzigiW3937KOrhiUJwhZ2qONNBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )