Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '2526329319845649408d07b89330e0aabdb64e79e64c28b3c6a104a6cdadcea6' 
  AND token = 'EmOqbqb07gJO4L7a3f7AAdHVQ50jX6sM3E0rxgSSwkM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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