Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '901fe98258bd75c948955477d8469c81615c361da1cae37221ab608e8c38faa1' 
  AND token = 'vHKi2XUpHniOx1XyuQFNV7W3Ra4jR5raLX8oCE6Ceb8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00042

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}