Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '97a9a8e4fa1126eaaef4f051e3a599cf4c8c47fa93f508b0feda83e53790c2de' 
  AND token = 'Keo54JW0a9TrZ35RNPSaqphi13JEzDCA7RAOAVTEcOo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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