Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3af952a7cf0cc4d5dd13d710dabc3e6b97eb948356a3ed7aef4965e6a0331025' 
  AND token = '8ozFGLlnyauuvg9TriOgkk8rWTmnW38ZzYugmYUcheY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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