UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U2PQU0Fraj7cYVloVx2ZtH2XJAh04+mCMvZ9WB4yThU=' 
WHERE 
  key_id = 'e98bf9d7257bed811a54f9b647d8e6d1567e36f94978d03aca9fe609b1a711b8' 
  AND (
    token = 'U2PQU0Fraj7cYVloVx2ZtH2XJAh04+mCMvZ9WB4yThU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )