Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0d004c4300eccf93aa22feb2d813970a67857528d3a4558059b6551d4d270f3a' 
  AND token = 'uF45793lBpvTb8vj1DQ9ECoC/xLL3lc5m8rYmVNMxJo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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