UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iz51bFkpYEGk4GT/Ornz5/Hfjuy29HCa2tkjceAM/vw=' 
WHERE 
  key_id = 'b8ea7e029b2b9464e0cdf5b952cf7275beda5ddf7c8735bbd2799446d642562a' 
  AND (
    token = 'iz51bFkpYEGk4GT/Ornz5/Hfjuy29HCa2tkjceAM/vw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )