Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62665f39662e67fd7c638e3e87170fb2e7e1d02ec6148fb37c5844289c4ae8eb' 
  AND token = 'komSicd0t2Y32A1UVaCWmLvRbVh8j0k+ysk9Ja97N9g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00049

JSON explain

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