Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '9f911d9d3841ff6422b8b7ff597cffa98e8074d866479f634dc723ecfe55e052' 
  AND token = 'CoK2CGpCJhJ8bwtNFoLvx7y+aOkbBvmbCWbL7EO1L6o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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