Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '792377e4bf6160ac3119d28c364ee5660072e0305d77fc63ecf11998afbd040a' 
  AND token = 'Bf8VHX3AqxYQGCbqOpsGxg0UwJ4FrwplOS995fB4Irk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00013

JSON explain

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