Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'db98e497a6f1aff1b908c95ca5abce7294f2254415dc2f65df393acb99b081f2' 
  AND token = 'acvqWH/WkFL/2b+KyVqwDCilp2T4v9O8ojulvnj1Txo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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