UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'SrPJ3j+WlhpXHlSSVCegGv9fc+5F4zqDyYhoXoSpHnY=' 
WHERE 
  key_id = '3ce6e2ef594a1ff3b332d9779a9a7cfca961e516315a838a0d5233c3154869f7' 
  AND (
    token = 'SrPJ3j+WlhpXHlSSVCegGv9fc+5F4zqDyYhoXoSpHnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )