UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RH34L5zNCh4oDLfwiW7oll8E/CzglS8sUlm+9gfXDzY=' 
WHERE 
  key_id = '798979e6023cf8f3b199a0cef809756883be55cb778846319cec5e988fa2d0fa' 
  AND (
    token = 'RH34L5zNCh4oDLfwiW7oll8E/CzglS8sUlm+9gfXDzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )