UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LihE2YROz5zcio3Whv60QSmH6BeuWYYu2zhOgeNyVRE=' 
WHERE 
  key_id = '1b2c3685b6550babc11e33109293357d3faa4a59a2ba0a393defe211f2e34fe1' 
  AND (
    token = 'LihE2YROz5zcio3Whv60QSmH6BeuWYYu2zhOgeNyVRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )