Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '32b643ede776b73f383cc7beaa3d690bd3a6045e47a0564583e20bfca2db46cc' 
  AND token = 'TuPJhC2akNVJFw3zZs1uJ4veQ5Acj7cvC6zFz+U4ZD8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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