UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nEulMNkxV5eycl20R9y1kOqbmdAXS5RTDzzzSrivj6A=' 
WHERE 
  key_id = '76e8980e5ad94a776a0964b68375840dc7fca6e8dbd6d7cad81db75cd5fc676f' 
  AND (
    token = 'nEulMNkxV5eycl20R9y1kOqbmdAXS5RTDzzzSrivj6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00063