Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c67535d5465cf9af18dcab0ced1813d1c006fb9d53633888e690f3f02db27c64' 
  AND token = 'yeM8IIiR0oPiFNY1RwMOJF4lJoy95P84U0pUXzHuly4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00067

JSON explain

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