UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '91ZtEehIvrvbZdsgh1OQGu6nrM4YPdmkYvjXo3aB5h4=' 
WHERE 
  key_id = '2e1ac99ffb2d8b751a50a2768cd56a539bd594a8100a213ad88c3398f8655912' 
  AND (
    token = '91ZtEehIvrvbZdsgh1OQGu6nrM4YPdmkYvjXo3aB5h4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )