Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1e3419a632d5b92009cb1728e7cbbcacc349c111b0a497c9f4b4f441c52abe88' 
  AND token = 'pzoqfEGLr9CWpI9cPRD5NQVLjX0u8Rphp26W1Tt+QsE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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