UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U9z3UcXzyDOyDOLuDfjgRSskZFsQ2F880sza/gMptuA=' 
WHERE 
  key_id = '9b4e38370f53f678ffd0c712fddcb738131ec29c53e02d2078dd779b3f081c84' 
  AND (
    token = 'U9z3UcXzyDOyDOLuDfjgRSskZFsQ2F880sza/gMptuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )