UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xPfd6pBdu26U1/6N5Q26rGe40FFSlAGFOPVh7eHP8+k=' 
WHERE 
  key_id = 'e79b634512e943edd111664f75c250c607079f43309f127c6aa583dab0bb2d5d' 
  AND (
    token = 'xPfd6pBdu26U1/6N5Q26rGe40FFSlAGFOPVh7eHP8+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )