Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '9d354098d221fc9cf303c881372d7dc48478baac85dc290ea855793a81466704' 
  AND token = 'AEZ0h8LVL2wEgwVc+jBl7Hbbmh3PZ8L2lR+o0FDf7cs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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