Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07658a1af7826961acc5f77a8b13da037f6324c6f56f93ca1a6008c9668c36f6' 
  AND token = 'hGciBn+L6nC1qk0yhh3JLLkCDSobS6A86/mTASzsTLI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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