Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd9c022bee018c11e31a5e186242c49119a582b95e0d6bf614f25f7df09e2e0d0' 
  AND token = 'sYQse72OjeSSpTNNdrAm+hpx2me85PbHS7FWy/19jh8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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