UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FaiZk4LpcwP6Fu9ez0G0RUAbQCRWtMhY2XT2ZGGxm1k=' 
WHERE 
  key_id = 'e8f6502cb8f16b70957208e2c7abeab00284c22fab850de1d090a587e73d1536' 
  AND (
    token = 'FaiZk4LpcwP6Fu9ez0G0RUAbQCRWtMhY2XT2ZGGxm1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )