Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8ee65af199a8743ff73a4631f70df83cbc9a1ac6c11829d2c890fc7ee328620e' 
  AND token = 'h/XV2tGdljH6moIev8EbwWgbq+sk9JRmv17hwi188Rs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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