UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fqKPjalv584r2NI5fLu1BFu6z3IOdbrxBkNPEYmxLCY=' 
WHERE 
  key_id = '40af0c6a3fc88c45c6b65d261abb75086b27f8ffee9556fe04a0bdccbc5ad835' 
  AND (
    token = 'fqKPjalv584r2NI5fLu1BFu6z3IOdbrxBkNPEYmxLCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )