UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yxpbPy+avy24KZhzdTfYx6v3woPJkdXXUoH/QEUaflc=' 
WHERE 
  key_id = '42f1b6be952616acc072a63835e4e98adfb7327cc35a6e268c9c3914e35e1947' 
  AND (
    token = 'yxpbPy+avy24KZhzdTfYx6v3woPJkdXXUoH/QEUaflc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )