Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2fcc3f917bae21932abf9bad5ae2090ba6c7c704d7c2082c67117305ec8af25e' 
  AND token = 'ewh6Sfc7leREeIqAK0+5oM9VZ7/LOtqJJdvocShcFJo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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