UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PU0llArfVtKqXHjQ262QhMDjwRg75v7E6JT6VVILkOM=' 
WHERE 
  key_id = 'b4a3754b3ca3543f99d8c1e661b77451c307f15068677f07861594c3e402ac71' 
  AND (
    token = 'PU0llArfVtKqXHjQ262QhMDjwRg75v7E6JT6VVILkOM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )