Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0e0c64bd6705c9170174f50634670e56f727674b15ba620fd57fe6dc3a411830' 
  AND token = 'ggmPj5FmRx0njNDjWVCZJQO8Y92EEw38jKZEXzYQVQ8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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