Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'a0b5c818c34279296d284a863873cfac250dba010164d847fa6ad2cbe79a85ca' 
  AND token = 'eOjucLEqDkT/yG3TO1ZX9rpabKXanFMS6/ELGNFWggk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00151

JSON explain

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