Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9c13f01d600c6b781d0a18a9683787f1c9cc13c431ea4500aeb16a08ae16b7b3' 
  AND token = 'yeH4EVcRP92JO0QWo8KmBYI2BY3/wPvxnytamVyFiPY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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