Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'c58922156fc168aadcd043a4110c8da12902e46028fd7971062957a14e90680b' 
  AND token = 'Xq2moPYqdgxdsYPFhL3SDqz7nnLfcE0W1ysG2GCKOiQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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