Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5feeb17b27df2f86bcd07bdcd5f04d41b2423e5c2e8c54f2e9c9dd412fd387b4' 
  AND token = '9o/cQSL3MQS4Q/dkIVXi9FLN2x/y9mxhJP4dZEfpBg0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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