Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd69b650227c99c30d67b33a20cce33050a9b152148a388d233f1305a10cbf7eb' 
  AND token = 'ypKhSEDXYD03lE/6+vT+Zr/5C76v/VWCuHkv8liFlaY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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