UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gf3n5AjfOjeYv/o3VpB8dyctOZqOp3Gxlqrn4x4+zOQ=' 
WHERE 
  key_id = '07a846c93f22f230c058d4c1577eaf5e5bbaa0053b5a0243032f6483f23fa3a1' 
  AND (
    token = 'Gf3n5AjfOjeYv/o3VpB8dyctOZqOp3Gxlqrn4x4+zOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )