UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b4eZIGj1D7yuAt47l0qjSSG7uE/CPZ8IZ1Bc+WZg2fM=' 
WHERE 
  key_id = 'bd50972ff07790b06aca4de993e409048337427c79a9765a94236207af33a2f8' 
  AND (
    token = 'b4eZIGj1D7yuAt47l0qjSSG7uE/CPZ8IZ1Bc+WZg2fM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )