UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kf4zwgKSv0B2Xdpq5yxP5wLADWYlw+dDI09LyWvW2Og=' 
WHERE 
  key_id = '783c15c67720b097d97159d226e45b285cf043a6a05617a72ab4721fa6889832' 
  AND (
    token = 'kf4zwgKSv0B2Xdpq5yxP5wLADWYlw+dDI09LyWvW2Og=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )