UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/nPDFgdvGyl5+R+3y6A3NghRO+kqpmBLxFCO2SjGlPo=' 
WHERE 
  key_id = '18be41dd6a082d2b088f2dbc24b649d0f4012280cec80cc75a06e1d0c281570d' 
  AND (
    token = '/nPDFgdvGyl5+R+3y6A3NghRO+kqpmBLxFCO2SjGlPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )