UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6dfHJXo2wU4xWHgitO8bYnHD75qZAY+Zi6we9H4lIY=' 
WHERE 
  key_id = '64799243c9f836c6cb6b10da2575d8be60f0660242c3f892590a4fe9e9a22d8e' 
  AND (
    token = 'i6dfHJXo2wU4xWHgitO8bYnHD75qZAY+Zi6we9H4lIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )