Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '86203d593afcb279732c5ec6ae301893301f3f3a72324381564fb3677c363235' 
  AND token = '8bsgsUJkDF0HqmGreZYwNWh7lmKh489D3oaFshLbgSw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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