UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6TxvlLXMFO0D/ehYf/P6VGThdw11hOFJWdoHtjswHPY=' 
WHERE 
  key_id = '4867b6ee0c2320826620f3729c37c5b39857021043c29790346b09b443fba5cb' 
  AND (
    token = '6TxvlLXMFO0D/ehYf/P6VGThdw11hOFJWdoHtjswHPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )