UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eL+zJQ+kN87g6FZY2UQVXyLlEk+WvcJbWt34fq+/ED0=' 
WHERE 
  key_id = '051a525e31126dde4addfe7d4e458edc2b9ba9f5797cf7ee68872264fa8f0dea' 
  AND (
    token = 'eL+zJQ+kN87g6FZY2UQVXyLlEk+WvcJbWt34fq+/ED0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )