SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'bdaf33cf410cb41739261d6b955b28cfe79bc4b6ff630ff01a130b86d94416e0' 
  AND token = '1zuzAKLKUx4dQj8danen1RZkdG+wKoI7NWjew/vtdzg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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