Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6305241de5e88dfd17b50021f276b0851e158d1fa902e2a718b05eb08087c181' 
  AND token = 'Y2JL6RDZUS3Dcb++BWowllGJutDd1xrQERxTT4nhqco=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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