UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ie/UwkDt4EtDWS96d+uhtdS9vAcQIwcTR8k4N+YUyYc=' 
WHERE 
  key_id = '26d3b9c3ded6111370d1a4754f6b1a7b0c080b908c59c559f2192fd3fb85512b' 
  AND (
    token = 'ie/UwkDt4EtDWS96d+uhtdS9vAcQIwcTR8k4N+YUyYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )