UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tUQHtV0nQLGqQhTEmdHKst7PXc79hXrCIKw2EXXumqQ=' 
WHERE 
  key_id = '4d5bebcad816dc5cd57937e0865b244480e7a1a1f0c344e0360bb0c1e4fa1509' 
  AND (
    token = 'tUQHtV0nQLGqQhTEmdHKst7PXc79hXrCIKw2EXXumqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )