Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2b962d44e98dd79a65ecbb31f158fbdbc93ec0dd7e14397bdfce36010c9fe1dd' 
  AND token = '0elbQBaC+QSDJb1AKASyyEl4Nu46IDD1ey0C3jP1FR0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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