Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7db15bfcfcff7fdbdf758eb272180a0918b90f309041b096a9fe9579829a148e' 
  AND token = 'roMXvgwdHvmHuTRuCa74VQfb2IN4P0IE7TdWHTJbezM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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