Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0bd1f7143b2d46a4b71f8a67c93e904318d2b9476d48c867d3d5fef272172284' 
  AND token = 'SPj+k8BrOmD24GLlOECyvyFzbAKdU0R8sca01XZ04sY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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