UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E/1LwnJw0QohKXRnaPIJEiUJjWZgJg8pluYVyFxsIJ4=' 
WHERE 
  key_id = '935e8709168f1f0d902c1874eb80d9861075982c7a4e3097b38bcf8fd13cc32c' 
  AND (
    token = 'E/1LwnJw0QohKXRnaPIJEiUJjWZgJg8pluYVyFxsIJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )