UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gw+6cIBKGOZBIxBBXIzSfLmSpYt+hutPZdsMu7qnirA=' 
WHERE 
  key_id = 'c6e106fc87861b4bf66efe283cf10c669fe23762cef44409e0558f685bff981b' 
  AND (
    token = 'Gw+6cIBKGOZBIxBBXIzSfLmSpYt+hutPZdsMu7qnirA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )