Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5463338b2e44043cdb0dc5a1b21e310fcc5ea665e1b5760659984b98010f1103' 
  AND token = 'OWp6O34J9keuOLoM+oPUC76WkPUqJmjyj8Bk9G1iPUM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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