Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd066fb495b89dbae2dac844609cf19fb2b58a5356749415eb90c8b36d54d357d' 
  AND token = 'BV+okceYUkGK/TDt0dbyI7CeI5yB0Kz7HibPliIjxkg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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