UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M5q1vBd2poLnaBhEExzWs9x0xrq6tnGqOATsNMv7tA0=' 
WHERE 
  key_id = '2315b28680be3e1d2f970c5ff14eeaedc36092f895fe6f6ef8be803013e4899f' 
  AND (
    token = 'M5q1vBd2poLnaBhEExzWs9x0xrq6tnGqOATsNMv7tA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )