Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '02a12c1a6403f39201eace69e9d62cd81a8ea92e57db5f6f68b2cacf03c315fc' 
  AND token = '2N5qADGJfBibKbXYU/nU++yyixC1+COduPXTUbkF0BY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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