UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ml/R3FWRGP5ZAMPVWuVudTme1Hs1D1Tv8z+kCannkpk=' 
WHERE 
  key_id = '4b776f6fbf838c7a6dbb2113e820131f77515c043413c9e4ff663141398a3850' 
  AND (
    token = 'Ml/R3FWRGP5ZAMPVWuVudTme1Hs1D1Tv8z+kCannkpk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )