Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9adba3fa3b3e6df980f88d84057775ea94314b4892089b55ddb88307c52f97ec' 
  AND token = 'm2Kx4k/H0nNltYLGFhtGe8YnQXbGyOeksHo+W5E6QLA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}