Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '7ef4ddd1832293a884c374889a39ff06eeaa392f9096c06956c52e6d61b1fc27' 
  AND token = 'Fy36K85H8d+rm5O67jn9q2t5khWkUb8s0jLmfuAlg/0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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