Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd960ea94d70323b15210d15447d12321103c6ceb36d3a81b792502f022f2b514' 
  AND token = '6Q+oVIz/O2O3+bAb2fTRy6Ld+Pb5rEzUS9xEr8B6zQ0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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