UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zV2xhUaTePiE1aKe1D7Y6jltGRgvtJeJa9oyAZUutgE=' 
WHERE 
  key_id = 'a8515227edc7336e91b4bbf4489885f2eb203de1e8cf71f4c04a467378333e66' 
  AND (
    token = 'zV2xhUaTePiE1aKe1D7Y6jltGRgvtJeJa9oyAZUutgE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )