UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r1aYZ82fytHgaazVOcZqMh+CrTEiK9CtrliDQyhshhI=' 
WHERE 
  key_id = 'fbc2ce6850dd6a8ab20cf4d753a3fd1f24759d17b3ab6366ec5787dd079f8c3c' 
  AND (
    token = 'r1aYZ82fytHgaazVOcZqMh+CrTEiK9CtrliDQyhshhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )