Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '943674eecd4eb4f6bb36107b92b1dd0eee529e60f5532576f6e6f781922139c8' 
  AND token = 'ZvPsoannSbedEC8NZPjOYApvXf7p4bR3J/wZ0pDq5uE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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