Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8701c65701782aeb2d226ed85105f29584b1ed7f13c85e861d7fca221f503c89' 
  AND token = 'qTOVUXzGKTo2pToIK6NeO8dtuhN2KL30wciEU2x6Y8g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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