Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '58c19e2a77710d4300760b8e1394a93535f950a3d23e5526347cc27dfb9c2311' 
  AND token = 'HlGtO2YgeeoQp7x8gy5fdz4rkT6FQvG9S7r9lJbnWjw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00085

JSON explain

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