Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '691d4021a4742c6d2b19d3deb2f7df16920804baa49a2ccc7a46fe76061a2bc6' 
  AND token = '3om0wbn6w2OeUzXSBUYsmRIBpxFgJU7/L1CVFsnZ6lI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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