Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1cb73b67ccf01830e888dd4df40a7785427787512dc28ace695b678bcde60726' 
  AND token = 'fvLFNs7hQb7xXQPGNCKyfPWLNTiM6U2WzQpcFsW4pXY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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