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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e05fe4e9f2cce87551c8662c22b053d4e328939c28caa32879b5e9c52732a201' 
  AND token = 'Lu9JB4bWwcEHs0Zs6alTHFOiIS6loyKSiJ6XXHR49zw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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