UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EL1tGrJ0/jPPRSQND2/bvi1cQVesv9BLdFRWFU72o/Y=' 
WHERE 
  key_id = '3fa78adb311954c2dccd1f0650b97d48472f8e736721efa0ad4d6a2aba9c2a40' 
  AND (
    token = 'EL1tGrJ0/jPPRSQND2/bvi1cQVesv9BLdFRWFU72o/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )