SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '07150c966bea4d2068bcfba2b6b74dd4f45ca785a7b3bf922577d1ec0276a558' 
  AND token = 'wgG7TK3tl8YrueFWG98WPJnqqDq9z5zuzh9gFCvwVIg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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