UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SnRobXofqVxcupM5EwZ/30Gc+U/vHS80VAdDfQG6wqk=' 
WHERE 
  key_id = 'b0b76cebc81d8dd39327100b5678739b59fa3642785f6f2b25c23f6609b42af9' 
  AND (
    token = 'SnRobXofqVxcupM5EwZ/30Gc+U/vHS80VAdDfQG6wqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )