UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GbvlgoHLCAS79zQ1q3sW7ZhbtDOEmpavpr1luGF0AVk=' 
WHERE 
  key_id = '797ce3698899ffd5d34293bc27f7f63f0b500b3f96917bdf53c60451add89322' 
  AND (
    token = 'GbvlgoHLCAS79zQ1q3sW7ZhbtDOEmpavpr1luGF0AVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )