UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wdfmuqitZnptj3fIKAhj68fh2R93eagEC6+udk19fmA=' 
WHERE 
  key_id = '876979dae644800be6ff1f1f43eafa758ed1f5bead49427f3aa79aaf67a3f8b3' 
  AND (
    token = 'wdfmuqitZnptj3fIKAhj68fh2R93eagEC6+udk19fmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )