UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'REXLz4wUMwo2tVc9CAY1BiWIbgRSIVOMH47Sz22aBVU=' 
WHERE 
  key_id = '6fefb5d470344d8fe8aeb80ebc166d1de2b5b63c6f4ec14a49c09be631d8bef1' 
  AND (
    token = 'REXLz4wUMwo2tVc9CAY1BiWIbgRSIVOMH47Sz22aBVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )