UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n5d0K/nc5M8fDThrD7Njm4faZrhjpcccnRcywDECTkI=' 
WHERE 
  key_id = '50e1b2d9d78b71fd92347ff7ce04a89c3d27e70e6e102b154dfc0ea507e21554' 
  AND (
    token = 'n5d0K/nc5M8fDThrD7Njm4faZrhjpcccnRcywDECTkI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )