UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xu3qH0+AFd+2/ox5ZGqSAjAc9enNxbPBA7011BWUIEA=' 
WHERE 
  key_id = '4f255c40229ee9699b3eaef428bab736acf9ca44628771491da3618f088f857b' 
  AND (
    token = 'Xu3qH0+AFd+2/ox5ZGqSAjAc9enNxbPBA7011BWUIEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )