UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vr4x0pq0cHhB2Khh7L1REen0ptErFYC4A580i1CNqt0=' 
WHERE 
  key_id = '3af74daf3c92f618244c83a808d16640b7b8117c78313f7d5476226eabf1a4f8' 
  AND (
    token = 'vr4x0pq0cHhB2Khh7L1REen0ptErFYC4A580i1CNqt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )