UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CvciPsyOr40dNFPHgsKyb2MRQLBAQLEX3kSNQZhPAYo=' 
WHERE 
  key_id = '357d3769858f9a4bdd0a64e6cd9ae5480dea23720753742ac669d8efdf23c817' 
  AND (
    token = 'CvciPsyOr40dNFPHgsKyb2MRQLBAQLEX3kSNQZhPAYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )