UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2kxhOFa+684uHYDJ0KWxj+FCKiDYi/H6qfHs9/VfpM=' 
WHERE 
  key_id = '02c8f249dfa35b014bd2a82c26f72fee2cf0a35d5c8fafe00801c355f5b8a36b' 
  AND (
    token = 'R2kxhOFa+684uHYDJ0KWxj+FCKiDYi/H6qfHs9/VfpM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )