UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yORCpPmtm6Uk7ZvUV6DzZor4F1YU7mHEgjBVunui6c=' 
WHERE 
  key_id = '755af73b1eb86f38ec46dbe373607bc3e8bff1b9442d062557b3ab614920a13b' 
  AND (
    token = '6yORCpPmtm6Uk7ZvUV6DzZor4F1YU7mHEgjBVunui6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )