UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/GgxLQ4Exu9Dybn2iqdaiXHV02F5O7ppc1n/bJMC4pA=' 
WHERE 
  key_id = 'b531f6a79818e8b1375af585605895b24d3fc1053de20c0521a5bd2d5c274adf' 
  AND (
    token = '/GgxLQ4Exu9Dybn2iqdaiXHV02F5O7ppc1n/bJMC4pA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )