Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '190e72e11ab5f936f09a5170beb668c5ae35d7e771e9893e344600f891c6d1d8' 
  AND token = 'LR4lS70emp73Ruta4iyhlx7XS5NvjUqv9vxXhE2YnYk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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