UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xZRQNG0WQwNbFKe1ihqE41W3LBM1o9pElys/DWwk8Ik=' 
WHERE 
  key_id = '2a4fe46334b39b2f7d25540a1ac6d5fa87e3d2cadc7bc3de1d042f25242cb135' 
  AND (
    token = 'xZRQNG0WQwNbFKe1ihqE41W3LBM1o9pElys/DWwk8Ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )