UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YUx4TadQgiKESzH8J6Htqr9ysqiflbya6jPeNZiqLH4=' 
WHERE 
  key_id = '304b91c41e0d2010d66c582e1a9a31f3e38a2dd87e75efec5080a2a234529bf2' 
  AND (
    token = 'YUx4TadQgiKESzH8J6Htqr9ysqiflbya6jPeNZiqLH4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )