Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f232ac6ef4ebc4e7159a0324da386d970d06ec0312ba47c3cf431a64e2ec71e1' 
  AND token = 'RngdzzB6zwwAxgo4qBExuIwgaJe/C6St5GzonzPf9aw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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