UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gnBugTnC5xnd3MWDHevy/6hRjNJlGu1AbU8PbaFTFSo=' 
WHERE 
  key_id = '820b1adea0cf7918a56eee5b22c2a0896a606a8f0844fd8d184f457413871ea2' 
  AND (
    token = 'gnBugTnC5xnd3MWDHevy/6hRjNJlGu1AbU8PbaFTFSo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )