Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9ddf2c9bebcc7c2f1ab7f5c5c3e008c83586092d562783a3964fbd8596ff9c5a' 
  AND token = 'lE4NyGtKvl+Ix5WqAp/Sz6zZr6i60OnZ47L3m4PYcXE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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