Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2ac73c95a920a466e61e1e373a53b71f2954a68d93ec0abac28188095aeacbc1' 
  AND token = '0FfGBfQ+D4YzPjl2sYNWlyIKt1ZqMlfCb03Cr5kM4VI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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