Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9da8712c628a4726090c0dec091c4ac1e648c0dd15845f179bbf62696924a471' 
  AND token = 'mojzdsrDPZcAE3aDe6G2v9KwdU6X2qaHsNstmesBDWE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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