UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVvqqr/0erZgmN3jA38xdaTQarFaKmHFpbTQ2I7qlY0=' 
WHERE 
  key_id = '568c60b09880f7a954b3c63be54e0bd6b38b0ffcf57e820185fbf6e6f9462f0f' 
  AND (
    token = 'PVvqqr/0erZgmN3jA38xdaTQarFaKmHFpbTQ2I7qlY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )