Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '11240889409938dd3b9fe1f0ee94e40007cd565b78c9c9819f4812aa5e7fbf99' 
  AND token = 'JfJ+LaUg4se277V91D5YM3fLFHU7F0OUe0/m25SbFgE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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