Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '70bf0870692e87b2ca8a757baf4e8b90703c4552fe591edbc461b8a68675fc0e' 
  AND token = 'eKEDBJLH9lHNTxZKW1DY1EP01ioFg9e8U3bK4QyTinE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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