Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '03fa0d8efcadaba7c8121a284dd1eac75bef04f49c885008c6b711404f322c8d' 
  AND token = 'SwYRHS6qhIw0ide3iHl42xYy2NXVpzCv3x3UzedSbpQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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