UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OFjEdIFUWHP640M65LYTplwQITJCmxRYxr6INzi2VUI=' 
WHERE 
  key_id = '8725ccf19444bb08e7f1f9d3e43ee03e59c1554f63219a7b8625c1c593c28d59' 
  AND (
    token = 'OFjEdIFUWHP640M65LYTplwQITJCmxRYxr6INzi2VUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )