SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'fae38d074510dc7fe23bc209fc56e258eedbba6145ad5ba903322d5f7c827137' 
  AND token = '2KK7eODb9wwRpJ0YioOWtVvOhUjSM2amFNLXsIfZKZY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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