Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '96c1779672f8a682634fe1de52cf5753b30ff0ea51a0a698f0ee00c5a2f8249c' 
  AND token = '8UiueRLnRsoXeUbfR51mNdvmkAh0oEZNeKlKB/eGLaA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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