UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4/eHjmnarX5HwAxUtTXiZgpy4Y4LrXv2fZfs9un62Q=' 
WHERE 
  key_id = '4bf0781e6ec4ffcadcd167c303969e108c6f6e9617f01c229ea5dcc1ace8eb91' 
  AND (
    token = 'u4/eHjmnarX5HwAxUtTXiZgpy4Y4LrXv2fZfs9un62Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )