UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IAmF6p8l2X2OvWfI3jhHjMKsMYf2IE0xhVyqanAxghw=' 
WHERE 
  key_id = '39e2137313a9017eeccb8435348e802f5bb15122e177522bc7cd6f5d99400e45' 
  AND (
    token = 'IAmF6p8l2X2OvWfI3jhHjMKsMYf2IE0xhVyqanAxghw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )