Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f1358cad216f096958bcc9fd36a9648261149909462131d0b5655c6d8078809d' 
  AND token = '4bqCF7a2GRWenWN26jT+fwfNbL8TX0p77Xm/ITBQwsE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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