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SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = '72faae0ce2450737f134df28954f241718cb8c393c227ec512d4695473a9557d' 
  AND token = 'WdyN3iaMjE4VQWE0ATqOazkVv+k6eMnN9Bva0OnUc28=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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