UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MEinCe+XSSYB9psI2vRPh9XRfz2JkywdRNwGT8ff8UA=' 
WHERE 
  key_id = '0f2d766c6d3faf26513f9e10b0f2e1d6e47dc3e15864f605f795e2920e312a84' 
  AND (
    token = 'MEinCe+XSSYB9psI2vRPh9XRfz2JkywdRNwGT8ff8UA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )