UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uWveDDhjkQxgBmwNcbQaKfsf6HOR7bSm2TmeCPwWp/0=' 
WHERE 
  key_id = '50055427ee987fff5028f5b748b740c545b14ef0a38151ea82f9bd3b94b63dfe' 
  AND (
    token = 'uWveDDhjkQxgBmwNcbQaKfsf6HOR7bSm2TmeCPwWp/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )