Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '08ced2e3ef451cb7570ee7d299a4441c55e3166537b62d55f585ef8b9271a45f' 
  AND token = 'woWPjp34uRRq8GX6Ah7KvNTvA4gk8nSsz3SvFHJ3TvA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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