UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c55qmHhu4L6Dxq8cwHDM1BVRMa251cEcuBN/FOdyrsY=' 
WHERE 
  key_id = '270284838fde48a515803768ef28c7c178c6636fbc9828d49ff3454cb97c3cee' 
  AND (
    token = 'c55qmHhu4L6Dxq8cwHDM1BVRMa251cEcuBN/FOdyrsY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )