UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RjxwVSBvt3zNnTgS0IBLpxtfCuQgpp7/f5YO2y+TMe4=' 
WHERE 
  key_id = '543ec6a35ceaaee00b99a9f5143be2242d88deef381e7019fc7e04d638f29998' 
  AND (
    token = 'RjxwVSBvt3zNnTgS0IBLpxtfCuQgpp7/f5YO2y+TMe4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )