UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd7ZPQAx/TqDQwfhVLKybftzrJtyHXpR7hCNTOF0RhPM=' 
WHERE 
  key_id = '21e794edde036761a2dce109125e119f9176fa09be6bccb337678968fa90080b' 
  AND (
    token = 'd7ZPQAx/TqDQwfhVLKybftzrJtyHXpR7hCNTOF0RhPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )