Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bf24ef2c80a9439e6c21244a8712bf00c1d81c4e4a1785ba084ebb0f9f764486' 
  AND token = '9iYqcGjeLBa6U0m+h/lAOVdMDpn5Os7y6h/MTjEIzqo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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