Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bad0a475c51635f3e07b69685ea6436db0eca83c0cc8a70a94d8c13747898620' 
  AND token = 'i7In4fkJDRB0txI+P+2qo66F9kbJCNhgzeuYhLAX8B8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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