Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '034c130833a9d8599ce0859ac08f2962e33ef0c5233c0dff01fd4d42725ef2a1' 
  AND token = 'tD6TtOjoQrH4fbKrVEIIBW65AQpq05QqiJyDrA0VWFw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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