Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c7e2fd3762e3df58c830f6d579ae6b7ac746cc1871676e237f67fecac6e871d8' 
  AND token = 'o7g9F/Ikq7GRwJMXPsC58pgnwVYNnGkc/rc2EztlSDE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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