Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd72c531ef035b71362577f43bbac7de458df0bdc7e46272b7a780058a79eb556' 
  AND token = 'l0LX2pCUoQSnhSWY3FMedwGpcqmt8LkK/ukkvbvjIO8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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