Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1022e136efdbd1f85f2d481a674096ac1712dfe4b31a2678dcc031d260eb153e' 
  AND token = 'JnAegTdSDw3Hez0L1bVt7RsJL5Tj5/mr3ynjaebjdHc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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