UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tLTklGAvlqFiymcDx2Qq7KF5mKltgVG47UDlIWj4Vy0=' 
WHERE 
  key_id = '278cb55b2dc59ef379257538293da99abb4fbef8aee4e2cfb46e64bcac1e9537' 
  AND (
    token = 'tLTklGAvlqFiymcDx2Qq7KF5mKltgVG47UDlIWj4Vy0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )