Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2089cfaed95cbb673e2ae3f63f4b21d70f5e967ededd4208173d0dae04f94e10' 
  AND token = 'OidGqqOeGJMQldMe/SrfDXbf1mV+ZmmtKyOoR4NCPtw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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