Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7180411992ad6e73e2d0bb6410dea683132e4e8856b488a169f7146248372a20' 
  AND token = 'J5TbcsaTnGSUHBjXJWovLq0gMMi/+YfzJw51L1y0gJ0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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