UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/fVtLg//THZO9cYgIVHw05BhlfDgsKINBq7BFWdU+8=' 
WHERE 
  key_id = '318ce68c373b975e30a358c8f2b24fc142df7eeafed76ca51ceb9236ea6551d5' 
  AND (
    token = 'n/fVtLg//THZO9cYgIVHw05BhlfDgsKINBq7BFWdU+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )