Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07762fded85b9de1ebe4a1fdb38fd59689f231f89284ef87d3922f3179df139b' 
  AND token = '4CTZP+HrvpHpJDInxrXttdKUhi1tj4p9IZcMb7VlR3k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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