Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '01d24d2c79d16b0be55f06f41575887b281d751b2c5952bfd09f3f613ba80056' 
  AND token = 'sZTF9jBwhTtQA54kzXnyygTIA5gTOF17npooHUmVcu8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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