Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '130ab11fa9c9674ea253bfbe184e94ca28b254c168f57f01a34edec2aa05a92a' 
  AND token = 'nYUG286pnkzDdBGfQEInDVeK7gjGTwLzgo0dyt1VHW8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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