Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd10553245c45ff3f3b60242bff3f575e475c265df544a9e4a9277bbe2be31e36' 
  AND token = 'QpFbZsQZcmBcoW5LwBkqjRX7zOTcFvRkbXuF+Vosmf4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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