UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm8RKbPt1GtvXw0Z0SXUFJA/Elifabqq5XNFrnrdB5Hg=' 
WHERE 
  key_id = 'cb1543dfb6aba64c1529c4011d00e4282487f4b359b28e7e8551ee2009bcc443' 
  AND (
    token = 'm8RKbPt1GtvXw0Z0SXUFJA/Elifabqq5XNFrnrdB5Hg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )