UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YI1A+wTuzs0gXh1WB4xVioMNj1wIGgm47LtiqkIH5W0=' 
WHERE 
  key_id = '2844a8af1edc297aed2466273e5c914e96327ae91b9d01f2cf9ffa819477d12e' 
  AND (
    token = 'YI1A+wTuzs0gXh1WB4xVioMNj1wIGgm47LtiqkIH5W0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )