Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8aab6fd295e1356f9ae88987637e2ecdce2a4972e82927298de3dc361be26ab6' 
  AND token = 'TcQtD1vk2dS96k0p89VjPgJ5SSZfC8qkAIV2M0V5Bis=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00056

JSON explain

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