Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b9b37d7ffd57f98c619333b82beb1cfc0bb5a4b6dce6aa6ce31c9f9be14ed86e' 
  AND token = 'baVaTL4mDHJ5u7KVufRK9rbTBf2vKLiA9AIWAxue4DQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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