UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q58UYqN+R6fDn3CtAYyrcR49TWNzeMpAvDf0rjsqwC4=' 
WHERE 
  key_id = '51d0bd2542c67b9412a61cd76467586986ef5f81373b8622e58df61ec6dba80d' 
  AND (
    token = 'q58UYqN+R6fDn3CtAYyrcR49TWNzeMpAvDf0rjsqwC4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )