Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '2ae5024f828efe8e2ecc144357436ac9eea6217844120caae3f4a3e601f74032' 
  AND token = 'ka9Qi9DvgIs0ZIhYLWcd4eYzGAYtAySAly2zqJ7s6EY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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