Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2de0ab56e20641eed65b793ea603f2688d271472cb07f2391ea4f5ae8904227f' 
  AND token = 'xO5OYROU4vo9VaT9C/j+6KDflZmiUqiQ9L0PZa1cI/I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00126

JSON explain

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