Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '064f9ad73aae69a848be8b22868056fa96d10890f7e99d5a86d844fd3e4746e0' 
  AND token = 'fMPDnM1Q1IttipymB+hGpdIXAkRw9GH+nk0jRIu4lao=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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