UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gkbf2FAj7gSdxtkGiDkyo3upBsVDvKZ6+HTEAQWLhrs=' 
WHERE 
  key_id = '509ac4c028bc5d91fd10fe3098332cfb7d927c73895b685cbfe49833bfe8b0ac' 
  AND (
    token = 'gkbf2FAj7gSdxtkGiDkyo3upBsVDvKZ6+HTEAQWLhrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )