Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '582ac0348acbb258f4ea8158c506624269c006745736f4e45982b6325097b4a1' 
  AND token = 'mamjM0cx+UDl2COnhxbj0/thAPiozNyvSii8oYc7gR8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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