Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5433a92058b0c48a51ee45255581c99cba8d30af17dd9e7ee49bf48365c634a0' 
  AND token = 'Pl/Ch4VaNLPi6+xEM8tX+j2PfDttwbFJqZ3rQ0mBP54=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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