UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0qQVm+ErzM+1SWRiMpMyRRpIoTW2KGjT913VYbeMdyo=' 
WHERE 
  key_id = 'bb9a1c6b994ffe6001c4284cd7f3ff5d82c1b097991d2b22f90dcbf1948a0ca1' 
  AND (
    token = '0qQVm+ErzM+1SWRiMpMyRRpIoTW2KGjT913VYbeMdyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )