Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '226d0def070b0b276166c042e3f09affebc1787af9ad4622c68a54d29880c76f' 
  AND token = 'jwNSxSifBqJasJWqhio8oovUT7/tUNetTugeEwV1s/Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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