UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iB4Vw1WNFItVX3t7gR5gO7gFpfUuhDmVQG/kTjGAnFo=' 
WHERE 
  key_id = '1ce1bf8f9bda4c8b630b40cb887cd02ce2c6d2063b17c0f70d518bf6eb49abfe' 
  AND (
    token = 'iB4Vw1WNFItVX3t7gR5gO7gFpfUuhDmVQG/kTjGAnFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )