Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b066ae027df36406c9637bc92100095f962ff98130868ca5a8f54fa640f9859f' 
  AND token = '0xPRzeH9WNN827dn2mf6Yvhy2fqFLUIWWxy7rylrBCY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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