UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NUAh5rl8zgbeawbKW1R4WM3GfdF3n45VtTuPGBLx+Jc=' 
WHERE 
  key_id = '81d69d187f76d55f771c85c6a93162806f83569a72cc12c0867f38da8e6cd9bb' 
  AND (
    token = 'NUAh5rl8zgbeawbKW1R4WM3GfdF3n45VtTuPGBLx+Jc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )