Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05b08c523d2a0ee361db32742e148da37c92975f3ea22262e7000053e8855036' 
  AND token = 'SDceIu1PtiqNvZtD8RTufqfNs/MH+XyCjD4g/YJQ/8o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00013

JSON explain

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