Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '8d2d72bfe02dba2195b7e447165300cc1808477b06052369d1461a5f7102eac5' 
  AND token = 'nOdyw2Pcr7qPiN6VqdQZA2ceCI0GWligzOOOXdHmsIE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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