UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lkW3yaLNYMRZAkETgCRS+ZvnQcZn704HBpKE6Vl60uc=' 
WHERE 
  key_id = '14e83c28688862ed6dddf58aeac0807e1f760bafb7df98e17a558a850be97cf4' 
  AND (
    token = 'lkW3yaLNYMRZAkETgCRS+ZvnQcZn704HBpKE6Vl60uc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )