Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ab06ac9981605caeebe2e1c97d13fe0930ff0c52e9022ad7c28371234b0a2faf' 
  AND token = 'CWf5dFy8Lbb/YNuDBxu+8yOhMLXqnnX7fGLSImH65zE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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