Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'b830ef2fd08a38e3efac17b466556774f26274f8a650914f676aa368a5a13e22' 
  AND token = 'fRadOIzrMV1672lXIvFbJ4kAlpPP6n++5XbrUgd82w8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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