Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62d8f4b0ff2e6b209d984d21e255c052c348e3933f41acef557543973e6ef186' 
  AND token = 'XJO0Dck1MyXBBX5hEYtoAQzUG1fqwo2lcJNSGqiMkdw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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