UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GmpZgJptVB3iVy9DqeSM7l2TCn0YK1UOZ5xbGytXyEk=' 
WHERE 
  key_id = 'b8c51e942664e25458226cf5d30a5ee45cd3d093cd39beb33d8718da0835a0bc' 
  AND (
    token = 'GmpZgJptVB3iVy9DqeSM7l2TCn0YK1UOZ5xbGytXyEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )