UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6apn2/gmUJS+/on3WAHIP5hOn5K1Tc3Gj58x5wpjuc=' 
WHERE 
  key_id = '683849875bd67bcfe329f8da5402791e6b024e7387b770b17b6a27506513acb5' 
  AND (
    token = 'R6apn2/gmUJS+/on3WAHIP5hOn5K1Tc3Gj58x5wpjuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )