UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mdxm2q5UH1v2MRrf5FHN/XexZbyvJOFh8rI4nYOcs2A=' 
WHERE 
  key_id = '245ac499f7422a97c44d81999d0b71b017f875a1921201a00347a25b55de9a76' 
  AND (
    token = 'Mdxm2q5UH1v2MRrf5FHN/XexZbyvJOFh8rI4nYOcs2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )