Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bb06e0529d3cef93851e1eb3c5a457068b6bbccba440623641b3b64081d74143' 
  AND token = 'ZhkqtvoZQL4VxaXxzX9ufIfHxVauXxz7dqqnvLqQuIw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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