UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vO4KdAQeATsRYYiymOa60i9BzhMhxCxGUsLRxqdpP68=' 
WHERE 
  key_id = '50f82b613f9fd549430d98e347005d9a53e5897cee17e47d55c0a51e56009d01' 
  AND (
    token = 'vO4KdAQeATsRYYiymOa60i9BzhMhxCxGUsLRxqdpP68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )