Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07ddf3bd5fc81c1a7213401425cac46435c705ec43b6366d9152063314d6467f' 
  AND token = 'vqIQzSqXeRwtwY8I7M9whS7skf8mULT2gocAJ+AOUNk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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