UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gKFny3VoRyX8pF/7cAWLBzGee64aPRwhXYLkFDLeijc=' 
WHERE 
  key_id = '11a35001d77ca4e00b0cae797f6e2e1056d8a1ac7a6b1c1122a1d8386f0c74c1' 
  AND (
    token = 'gKFny3VoRyX8pF/7cAWLBzGee64aPRwhXYLkFDLeijc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )