Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f05189ad565fb3a92dd6ad889212ef46a041e225ca684b30f1f675fa129a19dc' 
  AND token = 'gJo1ViXJPihAog88Nxv7NEUK4vO9sMeTfo6Ocd+dFQY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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