UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rWu9rbv9UIE3aFjzKwYx2+qkroNG7QKzlKPw2aaEsj0=' 
WHERE 
  key_id = 'c5596a5eb6a552a417f450f34f4fbc050b78a8d622a401afc82b2bee83c0a7d0' 
  AND (
    token = 'rWu9rbv9UIE3aFjzKwYx2+qkroNG7QKzlKPw2aaEsj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )