UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o2E3md97oIo4TmMuae3GIGmjFCFrHdzJ+ZxZ8B6wT7g=' 
WHERE 
  key_id = '51e0622ea91529c813f419d1f251c260e8330f023b6cec640f4ba814d0bb7697' 
  AND (
    token = 'o2E3md97oIo4TmMuae3GIGmjFCFrHdzJ+ZxZ8B6wT7g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )