Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f60faeaad69e6c8a4dbab48a1337c143e851c1ab77b4c815d1c3072532c523c4' 
  AND token = 'bvNRoP0JROjJC+1baW0+SqvD2q/7atBjOMBH5C+Plgc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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