Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1de61aa28feef63be93d2e07c7383caaca493a8c6d182c4d515878b2d8f3d5f1' 
  AND token = '+WvGJb+8uf23qV42Aw5dm8sW8m9/+pfNxyRTgtcg2LI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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