Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '084de1780c84ac0e5de75dd312ef09feb48e9a1ef04187d7299d6fac284b4c2d' 
  AND token = 'hwiIV7LD4fYvQnC7ShUdRNJEjC23sQ1X+DCK47DEc4I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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