Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = 'b5c0bf2b53d0e0b0474577a82e6bbdd6851e9c627722784136e3cefa534b2404' 
  AND token = 'p3cW66qPA+Qh+oqKS76UvqufLQnX47SF3fWva+YJy5Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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