UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'McvBzM2Qvj3cQjGY4PZUUAOXjj1w3hdogn4VMPJzvC0=' 
WHERE 
  key_id = 'd7b1cc54f2ace5fcdbf4aa2283735d67aba0699bef15aa1fcc59db9e3adb4cf2' 
  AND (
    token = 'McvBzM2Qvj3cQjGY4PZUUAOXjj1w3hdogn4VMPJzvC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )