UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ME6C36qxEBUl5xgHKccq0XAj7bKbPc1bDYaBcKHrNfs=' 
WHERE 
  key_id = '2a38916707cc80bdc2dd81bc034e8ef80389cce688a6fd69bf1b610ea2218156' 
  AND (
    token = 'ME6C36qxEBUl5xgHKccq0XAj7bKbPc1bDYaBcKHrNfs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )