UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kBWsGYUNqUtF6aaXEMukdRrRiqQ935L4PMRT7p7JzYs=' 
WHERE 
  key_id = 'ef1564d85251b7b4c4e82c1f21c3ebefb7164180c706b941dbf7842862c1370f' 
  AND (
    token = 'kBWsGYUNqUtF6aaXEMukdRrRiqQ935L4PMRT7p7JzYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )