Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '129213db673dc2dd610bacd32f884b3a985aa579cc7cc41f7d0fef668c4877dc' 
  AND token = '42G30fCReVp3eANtchNijdI1W2pz16UANUOVLUSCFJM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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