UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7qk6Dg7c7CYchNUccE4B7100UhsPo35uFspXozjWfCI=' 
WHERE 
  key_id = 'd9d261c44a5e072bfb2bfa1726a98c09d1555be13c301a0e8474f9a51fdd0803' 
  AND (
    token = '7qk6Dg7c7CYchNUccE4B7100UhsPo35uFspXozjWfCI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )