UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/QCuNND42ZNu7GhsPVG+0s7zHSG/8XN8Z72zJWnNomg=' 
WHERE 
  key_id = '6a05b83cd206bfb4258af28e9d1ebe05f955473d5d5028610763d78c3ceac93f' 
  AND (
    token = '/QCuNND42ZNu7GhsPVG+0s7zHSG/8XN8Z72zJWnNomg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )