UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RFiStEJCfnVfO6o3izycDuUHmbG22virV0xC6mt2l54=' 
WHERE 
  key_id = 'd3a985f15536d02883677af37ecbc0315fe334357fadeca8b2c6d008c718f710' 
  AND (
    token = 'RFiStEJCfnVfO6o3izycDuUHmbG22virV0xC6mt2l54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )