UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xn1IPYSJSWfBTviJnM1VcR1jzrKQL+41qklFAly2kEk=' 
WHERE 
  key_id = '11515e085c5ba2721f357edf940b599b25d58b24e57654be8a89dc80a60ccf08' 
  AND (
    token = 'xn1IPYSJSWfBTviJnM1VcR1jzrKQL+41qklFAly2kEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )