UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z2tXdGGYxh2R0WHWlMHB71lyV61nhgi3Rvb4Pi+dYEQ=' 
WHERE 
  key_id = '15b652a8b330325e13a1c06bdeeacb50c417a488dacbdad62f97d1daf22e1d12' 
  AND (
    token = 'Z2tXdGGYxh2R0WHWlMHB71lyV61nhgi3Rvb4Pi+dYEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )