UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tBM/uhl5wYLR7Pz0qB+Ue+5xumnp0XMF+8IUvmBF484=' 
WHERE 
  key_id = '78a2953cd2b8fbac5dd7d685b9e89ca3f826f25b9fca8f4345486e7eaa1249ec' 
  AND (
    token = 'tBM/uhl5wYLR7Pz0qB+Ue+5xumnp0XMF+8IUvmBF484=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )