UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IeVIwb2fWVnz1R/8VOuew0QqxX436tczY0UBTKV+8jc=' 
WHERE 
  key_id = '557c8460052ce35b6020abed78bedbe903ecea630f95603454f03a7e0b9eacf1' 
  AND (
    token = 'IeVIwb2fWVnz1R/8VOuew0QqxX436tczY0UBTKV+8jc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )