Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1856a01392d9a74deac5359054cd9405a43a014d66bb4b905136f19580d94f1e' 
  AND token = 'BMP/JFOSVM5aOtTm6+JMHZcKyQHcfN7C7eTZtwZPnIw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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