UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U/0B4hve2ujB9nKBuGVSqHToXLcnnBFDrjUlBV9kcQk=' 
WHERE 
  key_id = '8beaa3906a0a59ea30724597f9b99a70c3d75d6be611de63b4c9dfcf291e8a52' 
  AND (
    token = 'U/0B4hve2ujB9nKBuGVSqHToXLcnnBFDrjUlBV9kcQk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )