Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3594ee8e8dbc27d0bf77c440cb7558b4ca895f2d974fda9d6697eedfef055798' 
  AND token = 'c/0sOcR6B4JwR6weV6EgsoDt5upClkX26QXOOuqhJ9s=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00055

JSON explain

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