UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VHEq8aObXQsWQLGjuc/sKXE/qDpx3igHHUZL0NjGmFE=' 
WHERE 
  key_id = '7c6e3dd8822e18ac5f239c52b9a2a4a8e5882fe7153431ed461571457354f438' 
  AND (
    token = 'VHEq8aObXQsWQLGjuc/sKXE/qDpx3igHHUZL0NjGmFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )