UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n5BFBMOHD0R3Kcc2JxaMAvuP4UjThEhgQ9mjg1rBpqU=' 
WHERE 
  key_id = '684e98f4ffc318ceaf18c923817c5ee13df70205c896bd16c91ff1bc30cb5187' 
  AND (
    token = 'n5BFBMOHD0R3Kcc2JxaMAvuP4UjThEhgQ9mjg1rBpqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )