Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0de8d14b8876f5ce9c5b461793140debfd527ff0220899139124a0cb6d86ca5d' 
  AND token = 'tLprSE4q1Zk1qdlpSfzo7ccEpnyHqtcL8kBVU15i86M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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