Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '073b528d6714a2cf93bdc87ddb5be36b68c687cd245f41575334ff388ad28f1c' 
  AND token = '/m26fWcU3gG4rfS7JRvRVfvJ5Cay9vJZtr068eEM+uo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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