Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0e4a0a866e764df3af24b0e6339969b7ac3d5bd6b512011fc19176882b8d15f2' 
  AND token = '8Qe7S/C7HmKxLnK38WqUOxx9ID30lTgp6qoXdCk8wKY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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