Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '87babdc9d1a69ece1e362919e689e8024a4605316f6f8142b3ae6f15675d7b56' 
  AND token = '2Ri8VW1IoznQwR6SjqFoJfsKUa3bcaHElv96J/mc2vo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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