UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DcJYzhwQV6S7A1TYf7j4tEEStelnjAtQfzFl0TR0VD0=' 
WHERE 
  key_id = '97321c2642be45f4b64b1447980b3cdd356748d5a26f95fd1d0decce84f74404' 
  AND (
    token = 'DcJYzhwQV6S7A1TYf7j4tEEStelnjAtQfzFl0TR0VD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )