UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mhXy6549hiEU2ZM5+YmHLbT7HvkDKWVUzM0TSCMOok0=' 
WHERE 
  key_id = '2a5b30e4f12cfeaae3b46ae29795d331b5e64b47eb0e8ea8597d5de67bb2923a' 
  AND (
    token = 'mhXy6549hiEU2ZM5+YmHLbT7HvkDKWVUzM0TSCMOok0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )