Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2b73f9ba24ae8b54f7abc2943e67caad22db4bde6ab52de205d6fb3d8c7067d8' 
  AND token = 'b9CropzJebL/ZtsKow0Yg9SrdJgPsZ7RY8A6dCsT7RU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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