UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xiIpQopV8zoA37USItEQLp+qfEor8Rrh6B4Ji+QHAk0=' 
WHERE 
  key_id = '1c460c31ee28e2dcb616a591b4d93245cef27f0d8e17f6d87782571ca16100c5' 
  AND (
    token = 'xiIpQopV8zoA37USItEQLp+qfEor8Rrh6B4Ji+QHAk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )