Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '13ead48e09eed4967848f85d8d8a54b64cfdecfd594f7bf5149dc121fd9f18dd' 
  AND token = 'y6iZUXVEYCaGlZk5hBtO0qeYYheZyD87769LBUWpJJ0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00075

JSON explain

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