UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M5S7SU5+ohPhBdQCkAxv9CstV1J+TytjA3VUr5r+BVI=' 
WHERE 
  key_id = '535273c8a6555c646817dbcbfe6515442cc91e2982acdba12bafeb547beda74b' 
  AND (
    token = 'M5S7SU5+ohPhBdQCkAxv9CstV1J+TytjA3VUr5r+BVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )