UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5WB0ep3NLem2J3ZORNLccS/F/xsqSOGJ75bntxeGKRg=' 
WHERE 
  key_id = '35bb40a2d2091d13466954c752a996a4e3778287c2c9f2db6a6f7b65f8cf8869' 
  AND (
    token = '5WB0ep3NLem2J3ZORNLccS/F/xsqSOGJ75bntxeGKRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )