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SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = '23b965b4b122203e76bc52318c65f74051f2866cba2b994948ca07206239e6c2' 
  AND token = 'TII7g48ZewWcRUZml45E1v1+s+crwAfercftPJsRG3E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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