UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RarKjC+rOd1fENLwHqBHZRXH173+10V0gUEUvDOsGOk=' 
WHERE 
  key_id = '30e51b81cc0b4304d3461078577eebfb9886fdeaf7255a1926d3960c57245e21' 
  AND (
    token = 'RarKjC+rOd1fENLwHqBHZRXH173+10V0gUEUvDOsGOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )