Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1e74618912f300ed09ae39d92329c60077d00233d7d9963d7d77b9485ea1181e' 
  AND token = 'ZxhD6veTubDCLKIvVUW1gYMviHOJ2Gt5uMcfWSHit+k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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