UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bf21QcYGulQgJEHe4igb2smacArvaH+YLNXB2KF0mHc=' 
WHERE 
  key_id = 'b09356a79f0dde3c140b5d861cb748f9429e119d165108d4701c194c3b7cff4d' 
  AND (
    token = 'bf21QcYGulQgJEHe4igb2smacArvaH+YLNXB2KF0mHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )