UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rERAJCvf9NaXjHg9MljcV0cpxKvuzXFsRMn32IyDdbU=' 
WHERE 
  key_id = '3842e82bd708f437b6ceffdd1d4b7135c59a6610b21de39ac21810fe7f889a40' 
  AND (
    token = 'rERAJCvf9NaXjHg9MljcV0cpxKvuzXFsRMn32IyDdbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )