Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ed0db0ee330e2c482bca9eed7b022924969424dc256c8c13ed0e4e7521fb8bb1' 
  AND token = 'mXM2u4HWDVcIU4nCGT4JZXv+7C84wsIzHrP0yZmYxr8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}