UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ccjmG4uGAO8gFb1nvRCGmsY57r4oAVEBZ4mL5l5HcKQ=' 
WHERE 
  key_id = 'ea67c4ec03653f2c2cf1dc83b6f0eb336dadcc8d9364d97413b8664082ec05d4' 
  AND (
    token = 'ccjmG4uGAO8gFb1nvRCGmsY57r4oAVEBZ4mL5l5HcKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )