Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0054de9e7e25bc4238664fd0533cb02d718e12df71a6c60503459f7e043d9162' 
  AND token = 'KbefAgKMOVi5qjaWNcQ6S7XoouK+Zx0X5LU0XwAXuy8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00052

JSON explain

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