UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'mryfBQX6smt0ay58eq3QCTg6RsnZylkcV4KzQMjU+Ec=' 
WHERE 
  key_id = 'd4f5fdaeedea9800e16490eac28d3acf0b8170393945077a8b7e6d50d67ccec4' 
  AND (
    token = 'mryfBQX6smt0ay58eq3QCTg6RsnZylkcV4KzQMjU+Ec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )