Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '2b190b32244cd2dba3693a734278e2780f7687babcb95239d306276b8d884928' 
  AND token = 'wkY9IEJSPgFTYtNhYWSsZX9aDtvFRPK5+r4sv7NdlR0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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