Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'aefcbc1f65d02d611de29bf4589d42653709bdbadabefd8150981bcd06f56fd2' 
  AND token = 'ck17OuAjr7gf3/fQOgG8DDa1VjV2LRdbziAq52cqhQk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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