UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQ5CVyTAZJLpuuE2S8iJiuXir9SMt9NsJbeeITu/Im4=' 
WHERE 
  key_id = '3e28a7ec7f90822d3f0d78d2ce4db9dbc4a11571cfa3fcd004191c1c57a5a4e2' 
  AND (
    token = 'RQ5CVyTAZJLpuuE2S8iJiuXir9SMt9NsJbeeITu/Im4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )