UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MlrhdckEEwsBMldUzTpytXXyBwAFkf58dS3gPOvVYAY=' 
WHERE 
  key_id = 'cebf684590e3ed67dd6af0e02661bead0e8b87163558f360d0de52d9b1d299df' 
  AND (
    token = 'MlrhdckEEwsBMldUzTpytXXyBwAFkf58dS3gPOvVYAY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )