Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '910d9c4dc71bdb7e89b023d952c259ada14b2080517863c903519e7486703e25' 
  AND token = 'tNMGKOWD0mKUFwwoFSSb0SCb6zyv7zYFespmiVNPnkY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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