Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1c717e88e9191caab0eec8a971dd1aa47eb6c2099a0b06b860814b3746004660' 
  AND token = '5BkACykHP1E0l3X4oTmzFWwBiC/D5MMc6ddTsWbx/iE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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