UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UGzjo5uLDcmjPMRSdng4OKqsrjcYL2CAuFLJ2kSkCU8=' 
WHERE 
  key_id = '45a47192ead05e4211f0bf73c555226a3d18ec38d44c5e672f3d067773ffad01' 
  AND (
    token = 'UGzjo5uLDcmjPMRSdng4OKqsrjcYL2CAuFLJ2kSkCU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )