SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'bac932d6b3a24891cd5001869447fdb972bd1b6879d6f524c5be23c4cdcefca6' 
  AND token = 'Ah37gr91/4mkDSu7GEKa1m0/qjTJsvt2njAMguVIBIo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00049

JSON explain

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