Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '4af8c0d62997cdf1c3a98346dbb368e5d0eaf2b4adb918df25151fbd54fdb7ae' 
  AND token = 'JGE4LgcRHnbbCEEjEmo1Mju8N7W8JrfYORm/6kA0j4E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00077

JSON explain

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