UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YZXCNib26PBtPGyP2oXjbdotnuTNc4oWlwEuytCD59g=' 
WHERE 
  key_id = '6a50843afebbf08b7870cffe1831e52135f1115027d0dffbfe6b79614bc239c3' 
  AND (
    token = 'YZXCNib26PBtPGyP2oXjbdotnuTNc4oWlwEuytCD59g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )