Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '91857b38630729629d8bb593a0b60e49bb453a3907724b5bf376ac67bd8d06d8' 
  AND token = 'iGa9mCo3dsqG0Jj+iIIGGCJGRMAEOTZeA3TKx+wwun4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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