UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y5zlfXFhISX8MIAbf7+AbxJnQaSdFzK93nKyFYIWJVk=' 
WHERE 
  key_id = '81c43d5bd75a88eb423e31dab2c9b556c0905cea3105d08419b7da9952ea4f04' 
  AND (
    token = 'y5zlfXFhISX8MIAbf7+AbxJnQaSdFzK93nKyFYIWJVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )