UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4uUHDmZIGu0eYz0QxNhsf8Mum9J+sap4PwcIbFycM+U=' 
WHERE 
  key_id = '6dd0a9a9ba9680e34c1331e140b23a782b802e6b2decea08c715d38667b0d1df' 
  AND (
    token = '4uUHDmZIGu0eYz0QxNhsf8Mum9J+sap4PwcIbFycM+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )