UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'befxYG2YLXIY+kkkH2SFD7A3kVclVOfjmgb8GZ1X3q8=' 
WHERE 
  key_id = '21004e4535892b27fdad6e5adc19558d7e59433e1c69c8e529daf3392a060302' 
  AND (
    token = 'befxYG2YLXIY+kkkH2SFD7A3kVclVOfjmgb8GZ1X3q8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )