UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/15qecF6ENHW9zTuiAn5G7J1qxLlpmkVZOu3ZfOpiEw=' 
WHERE 
  key_id = '117538386bf697859a8808d77eba2b8c793324a526aa63b02cf22e05e0de711a' 
  AND (
    token = '/15qecF6ENHW9zTuiAn5G7J1qxLlpmkVZOu3ZfOpiEw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025