Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1bbfab8b341a4511793b50575cec830bae968e91effac7e86224cd699b28612e' 
  AND token = 'raDXWulL4QDgpTjgpP59dQ9NfK8biL81vjNb0G2cJgg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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