UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7MVMnsb/HrG3CZ99QG0tHxTGwPIa3zOpiW1IvUP0NjM=' 
WHERE 
  key_id = '6c2800717f1dd15b49837cea01cab4eca48b0a89c059b22885d8ad5976670ab9' 
  AND (
    token = '7MVMnsb/HrG3CZ99QG0tHxTGwPIa3zOpiW1IvUP0NjM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )