Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '044820a74ea002968102ce7d32447efc2071292fc0cd53594c607c9f5e9aa332' 
  AND token = 'CggSvVEkk5ABG3Om5l+jxh0jjE7+KBnB6krt0vfNLCo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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