Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'abfb0c01da25533879615ed03cbc9e3d8b93a1c63c3d770d298b5b6790b68bef' 
  AND token = 'C1K8CEvI7WLM/8dxdxYJOKDodINq9jDtdIPtOpVpoOs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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