Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bee5920909d61801e3f2523526c598bfbe3e4e84bc73edce47cad4bcba96f1b7' 
  AND token = 'hgc4Jv9aoY5dj7y1O04nej2j1O8zSKF17jjsM+83CH8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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