UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mPVK+ZmExID5MccQ0iEYzuTDQ3tBNrqr6d+6KQdtges=' 
WHERE 
  key_id = 'b950f2e42501c142d0e6f822c09344061ac07133b324bb534a1467558a434061' 
  AND (
    token = 'mPVK+ZmExID5MccQ0iEYzuTDQ3tBNrqr6d+6KQdtges=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )