UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MR4KJUqFdU4mWvOkK7C92LCY2mDYBEn2pgvNzQ7p53Q=' 
WHERE 
  key_id = '765f3390958b981e1115fab9ab99c0b288379fcd04ca254d229c76ea5a822c09' 
  AND (
    token = 'MR4KJUqFdU4mWvOkK7C92LCY2mDYBEn2pgvNzQ7p53Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )